Lithium-Ion Battery Separator Market latest Statistics on Market Size, Growth, Production, Sales Volume, Sales Price, Market Share and Import vs Export
- Published 2023
- No of Pages: 120
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Lithium-Ion Battery Separator Market Summary Highlights
The Lithium-Ion Battery Separator Market is experiencing structural expansion driven by accelerating electrification across transportation, energy storage, and consumer electronics. Separators, as critical safety and performance components, are witnessing rising technological advancement toward thinner, high-temperature resistant, and ceramic-coated materials. Increasing battery production capacity, especially gigafactories scheduled between 2025 and 2030, is directly strengthening demand fundamentals.
The Lithium-Ion Battery Separator Market is projected to demonstrate stable double-digit growth supported by EV adoption targets, grid storage investments, and next-generation battery chemistries. For instance, global EV production is projected to exceed 28 million units by 2026 compared to an estimated 21 million in 2025, reflecting approximately 33% annual growth in battery demand. This growth directly translates into separator consumption because separators account for nearly 12%–18% of lithium-ion battery material costs.
Dry and wet process separators continue to dominate production, with wet process separators gaining stronger penetration due to better uniformity and safety characteristics. Asia-Pacific continues to control over 68% of global separator manufacturing capacity in 2026, supported by aggressive battery localization policies and vertical integration strategies among cell manufacturers.
Technological innovation is becoming a defining competitive factor within the Lithium-Ion Battery Separator Market. For instance, ceramic-coated separators are projected to grow at over 18% CAGR through 2030 due to their thermal stability advantages. At the same time, ultra-thin separators below 10 microns are gaining commercial relevance due to their ability to improve battery energy density by approximately 6–9%.
From a supply perspective, polyethylene (PE) and polypropylene (PP) remain dominant materials, representing nearly 74% of separator raw material consumption in 2025. However, hybrid multilayer separators are projected to gain share due to safety regulations tightening globally.
The Lithium-Ion Battery Separator Market Size is estimated to grow steadily through 2026 as investments in stationary storage expand. Grid-scale storage deployments are projected to grow by nearly 41% between 2025 and 2028, creating a parallel demand channel beyond EV applications.
Statistical Summary of Lithium-Ion Battery Separator Market
- Lithium-Ion Battery Separator Market expected to grow at 14.8% CAGR between 2025 and 2030
• EV batteries projected to contribute nearly 61% of separator demand in 2026
• Asia-Pacific expected to hold 68% production share in Lithium-Ion Battery Separator Market by 2026
• Wet process separators expected to account for 56% market share by 2025
• Ceramic coated separators projected to grow at 18.2% CAGR through 2030
• Energy storage systems expected to contribute 17% of Lithium-Ion Battery Separator Market demand by 2026
• Separator thickness below 15 microns expected to represent 38% of demand by 2027
• Polyolefin materials projected to maintain 74% raw material share in 2025
• Battery gigafactory capacity expected to expand by 52% between 2025 and 2028
• Lithium-Ion Battery Separator Market Size projected to expand significantly due to stationary storage growth exceeding 40%
EV Production Expansion Accelerating Lithium-Ion Battery Separator Market Demand
The strongest structural driver of the Lithium-Ion Battery Separator Market remains electric vehicle manufacturing expansion. EV battery pack demand is increasing proportionally with production targets, creating predictable separator consumption growth.
For instance, battery capacity demand is projected to exceed 1.9 TWh in 2026 compared to approximately 1.4 TWh in 2025. This reflects nearly 35% annual battery output expansion. Since separators scale directly with battery cell production, separator demand is rising correspondingly.
For example:
- A 75 kWh EV battery typically requires approximately 90–110 square meters of separator material
• Increasing EV range targets from 400 km to 550 km is increasing battery size by nearly 18%
• Higher battery capacity increases separator consumption per vehicle
Such developments are structurally strengthening the Lithium-Ion Battery Separator Market.
Government electrification mandates are also contributing to growth:
- EU zero-emission targets pushing EV penetration toward 55% by 2030
• China EV penetration expected to exceed 48% by 2026
• US battery localization incentives increasing domestic battery production by nearly 29% between 2025 and 2027
Such regulatory momentum continues to provide predictable expansion opportunities for the Lithium-Ion Battery Separator Market.
Gigafactory Investments Strengthening Lithium-Ion Battery Separator Market Supply Chain
Battery manufacturing expansion is translating into strong upstream material demand. Over 320 gigafactory projects are expected to be operational globally by 2028 compared to around 210 estimated in 2025.
For instance:
- Average gigafactory capacity increased from 18 GWh in 2024 to nearly 27 GWh expected in 2026
• Separator consumption per GWh averages approximately 7–9 million square meters
• A single 30 GWh facility may require over 240 million square meters annually
This scale expansion demonstrates how battery capacity investments directly influence the Lithium-Ion Battery Separator Market.
Vertical integration is another key structural shift. Battery manufacturers are increasingly investing in separator production to reduce supply risks.
Such as:
- Battery manufacturers targeting 40% internal separator sourcing by 2028
• Cost reduction potential of 8–12% through vertical integration
• Supply chain risk mitigation becoming a major investment driver
The Lithium-Ion Battery Separator Market Size is therefore expanding not only through demand growth but also through supply chain restructuring.
Energy Storage Systems Creating New Growth Channel for Lithium-Ion Battery Separator Market
Beyond mobility, stationary storage is becoming a major growth pillar for the Lithium-Ion Battery Separator Market.
Grid storage capacity additions are projected to increase from approximately 160 GWh installed annually in 2025 to over 225 GWh by 2027.
For instance:
- Renewable energy penetration expected to reach 38% of global electricity mix by 2026
• Solar capacity projected to grow nearly 19% annually
• Wind installations projected to expand by nearly 11%
Energy intermittency challenges are increasing demand for battery storage systems.
For example:
- 1 GWh grid storage project requires separator material equivalent to batteries used in approximately 13,000 EVs
• Utility-scale battery installations projected to grow at 27% annually through 2030
These developments are diversifying the demand base of the Lithium-Ion Battery Separator Market beyond consumer electronics and EVs.
Safety Regulations Driving Premium Technology Adoption in Lithium-Ion Battery Separator Market
Battery safety remains a defining factor influencing separator technology development. Thermal runaway risks are pushing adoption of advanced separator coatings and shutdown technologies.
For instance:
- Ceramic coated separators can improve thermal resistance from 130°C to nearly 200°C
• Multi-layer separators reduce short circuit risk by nearly 32%
• Shutdown separators can reduce failure propagation probability by 40%
Such safety improvements are becoming essential as battery energy density increases.
For example:
- Energy density levels projected to exceed 320 Wh/kg by 2027
• Higher density increases internal heat risks
• Separator stability therefore becomes critical
Automotive qualification standards are also becoming stricter:
- Battery durability testing cycles increasing by nearly 22%
• Safety validation timelines expanding by 15%
• Separator defect tolerance thresholds declining
Such developments are pushing technological differentiation within the Lithium-Ion Battery Separator Market.
Material Innovation Improving Performance Economics in Lithium-Ion Battery Separator Market
Material science innovation is becoming a key competitive lever in the Lithium-Ion Battery Separator Market. Manufacturers are focusing on improving porosity, mechanical strength, and electrolyte compatibility.
For instance:
- Advanced separators achieving porosity levels of 45% compared to conventional 38%
• Ionic conductivity improvements of nearly 14%
• Resistance reduction improving battery efficiency by 3–5%
Ultra-thin separators are also gaining momentum.
For example:
- Thickness reduction from 20 microns to 12 microns improves volumetric energy density by nearly 7%
• Material usage reduction lowers separator costs by 6–10%
• Lightweight designs supporting EV efficiency improvements
Composite separator development is also increasing.
Such as:
- Polymer-ceramic hybrid separators projected to grow at 19% CAGR
• Aramid coated separators improving puncture resistance by nearly 28%
• Solid electrolyte compatible separators emerging for next generation batteries
Such technology evolution continues to strengthen long-term competitiveness within the Lithium-Ion Battery Separator Market.
Process innovation is also improving manufacturing economics:
- Coating speed improvements increasing productivity by 16%
• Automation reducing defect rates by nearly 21%
• AI driven quality inspection reducing waste by 12%
These factors collectively demonstrate how technology leadership is becoming essential in the Lithium-Ion Battery Separator Market.
Regional Demand Momentum in Lithium-Ion Battery Separator Market
The Lithium-Ion Battery Separator Market is demonstrating strong regional demand concentration, with Asia-Pacific continuing to dominate consumption due to battery manufacturing clustering. In 2026, Asia-Pacific is projected to account for nearly 64% of global separator demand, supported by large-scale EV manufacturing, electronics production, and integrated battery supply chains.
For instance, China alone is projected to manufacture over 52% of global lithium-ion batteries in 2026. This translates directly into separator demand exceeding 19 billion square meters annually. Similarly, South Korea and Japan collectively contribute nearly 14% of separator demand due to advanced battery exports and technology leadership.
North America is showing accelerated growth in the Lithium-Ion Battery Separator Market due to domestic battery localization. Separator demand in the region is projected to grow nearly 21% between 2025 and 2027 as EV production expands.
For example:
- US EV production expected to cross 3.8 million units by 2026
• Battery manufacturing capacity projected to grow by 46% between 2025 and 2028
• Stationary storage demand projected to rise by 31%
Europe is also strengthening its position in the Lithium-Ion Battery Separator Market due to sustainability mandates.
Such as:
- European battery production projected to exceed 780 GWh capacity by 2027
• EV penetration expected to exceed 47% of new vehicle sales by 2026
• Grid storage installations projected to grow 24% annually
These developments illustrate how regional industrial policies are reshaping the global Lithium-Ion Battery Separator Market demand structure.
Manufacturing Hubs Expanding Lithium-Ion Battery Separator Market Supply
Production geography is becoming as important as demand geography in the Lithium-Ion Battery Separator Market. Separator production facilities are increasingly located near battery gigafactories to reduce logistics cost and supply risks.
For instance:
- Nearly 72% of separator manufacturing capacity in 2026 is located within 300 km of battery production clusters
• Logistics cost reductions of nearly 9% achieved through proximity manufacturing
• Lead time reductions of approximately 18%
China continues to dominate supply with over 55% of global separator output. South Korea follows with approximately 12%, while Japan contributes nearly 9%.
New production hubs are also emerging:
- US separator production capacity projected to grow 34% by 2027
• Poland and Hungary emerging as European separator hubs
• India increasing domestic separator investments aligned with battery manufacturing programs
These geographic shifts are strengthening resilience in the Lithium-Ion Battery Separator Market supply chain.
Lithium-Ion Battery Separator production Trends and Capacity Expansion
Lithium-Ion Battery Separator production is expanding rapidly to match battery capacity growth. Global Lithium-Ion Battery Separator production is projected to exceed 32 billion square meters in 2026 compared to nearly 26 billion square meters in 2025, reflecting approximately 23% expansion.
Lithium-Ion Battery Separator production capacity additions are heavily concentrated in Asia, where Lithium-Ion Battery Separator production benefits from raw material integration and lower capital costs. Nearly 18 billion square meters of Lithium-Ion Battery Separator production is expected to come from China alone in 2026.
Lithium-Ion Battery Separator production is also becoming more automated. For instance, automated coating lines now represent nearly 48% of new Lithium-Ion Battery Separator production installations, improving yield consistency and reducing defect rates.
Lithium-Ion Battery Separator production efficiency improvements are also visible:
- Manufacturing scrap rates declining from 9% to nearly 5%
• Output per production line increasing by approximately 14%
• Energy consumption per square meter declining by nearly 11%
Lithium-Ion Battery Separator production is therefore transitioning from volume expansion to productivity optimization, reflecting maturity trends in the Lithium-Ion Battery Separator Market.
Application-Based Segmentation Trends in Lithium-Ion Battery Separator Market
Application segmentation in the Lithium-Ion Battery Separator Market is increasingly dominated by electric mobility, though diversification is accelerating.
EV batteries are projected to represent nearly 61% of total separator consumption in 2026. Consumer electronics are expected to represent approximately 19%, while energy storage systems are projected to account for nearly 17%.
For instance:
- EV battery demand growing approximately 30% annually
• Energy storage battery demand expanding nearly 27% annually
• Portable electronics battery demand growing 8–10%
The growth difference clearly shows how transportation electrification is transforming the Lithium-Ion Battery Separator Market demand hierarchy.
Battery format also influences separator demand:
- Pouch cells projected to grow 22% annually
• Prismatic batteries growing approximately 18%
• Cylindrical batteries growing around 16%
Pouch cells require higher separator surface area per kWh, which is further supporting the Lithium-Ion Battery Separator Market expansion.
Lithium-Ion Battery Separator Market Segmentation Highlights
By Material Type
- Polyethylene separators projected to hold 46% share in 2026
• Polypropylene separators expected to hold 28% share
• Ceramic coated separators projected to reach 18% share by 2027
• Aramid and specialty polymer separators growing above 20% CAGR
By Process Technology
- Wet process separators expected to dominate with 56% share
• Dry process separators projected to maintain 44% share
• Hybrid coating technologies growing nearly 17%
By Thickness
- Below 15 micron separators projected to account for 38% share by 2027
• 15–25 micron separators holding approximately 42% share
• Above 25 micron separators declining to 20%
By End Use Industry
- Electric vehicles – 61% demand share
• Consumer electronics – 19%
• Energy storage systems – 17%
• Industrial batteries – 3%
By Region
- Asia-Pacific – 64% demand share
• Europe – 18%
• North America – 14%
• Rest of world – 4%
These segmentation patterns demonstrate structural demand shifts in the Lithium-Ion Battery Separator Market.
Lithium-Ion Battery Separator Price Dynamics in Lithium-Ion Battery Separator Market
The Lithium-Ion Battery Separator Price is showing moderate stabilization after supply expansion phases between 2023 and 2025. In 2026, average Lithium-Ion Battery Separator Price levels are projected to remain within a narrow fluctuation band due to balanced supply-demand conditions.
For instance:
- Average Lithium-Ion Battery Separator Price estimated between $1.25–$1.65 per square meter for standard polyolefin separators
• Ceramic coated separator prices ranging between $2.10–$2.85 per square meter
• Ultra-thin premium separators reaching nearly $3.20 per square meter
Lithium-Ion Battery Separator Price variations largely depend on thickness, coating technology, and porosity.
For example:
- 12 micron separator pricing nearly 18% higher than 20 micron variants
• Ceramic coatings increasing Lithium-Ion Battery Separator Price by nearly 35%
• High temperature resistant separators commanding 22% premium
Such price differentiation reflects performance-based competition within the Lithium-Ion Battery Separator Market.
Lithium-Ion Battery Separator Price Trend Analysis and Cost Structure Shifts
The Lithium-Ion Battery Separator Price Trend is showing gradual cost rationalization driven by economies of scale and process optimization. Between 2025 and 2028, Lithium-Ion Battery Separator Price Trend projections indicate a potential decline of nearly 6–9% in standard separators due to manufacturing scale improvements.
For instance:
- Raw material costs account for nearly 52% of Lithium-Ion Battery Separator Price
• Manufacturing costs represent approximately 26%
• Coating technology accounts for nearly 14%
• Logistics contributes approximately 8%
Lithium-Ion Battery Separator Price Trend is also influenced by polymer resin pricing cycles.
Such as:
- Polyethylene price volatility influencing separator costs by nearly 11%
• Polypropylene cost changes impacting margins by nearly 7%
• Ceramic slurry cost reductions lowering coating costs by nearly 5%
However, premium segment Lithium-Ion Battery Separator Price Trend is moving upward.
For example:
- Advanced safety separators projected to increase 4–6% annually
• Solid state compatible separators projected to command 15–20% price premiums
• High durability separators showing margin expansion opportunities
These developments show how the Lithium-Ion Battery Separator Price Trend varies by technology tier rather than following a uniform decline.
Technology Tier Pricing Influencing Lithium-Ion Battery Separator Market Competition
Technology differentiation is creating a multi-tier pricing structure within the Lithium-Ion Battery Separator Market. Commodity separators are increasingly facing price pressure, while high-performance variants maintain pricing power.
For instance:
- Standard separators experiencing price erosion of nearly 3% annually
• Mid-performance coated separators maintaining stable Lithium-Ion Battery Separator Price levels
• Premium safety separators increasing profitability margins by nearly 9%
This is creating strategic differentiation opportunities.
For example:
- Manufacturers focusing on ceramic coating upgrades
• Expansion into high porosity separators
• Development of separators compatible with silicon anode batteries
Lithium-Ion Battery Separator Price competitiveness is therefore becoming dependent on innovation rather than pure volume.
Future Cost Outlook of Lithium-Ion Battery Separator Market
The future cost trajectory of the Lithium-Ion Battery Separator Market is expected to reflect both scale efficiencies and technology premiums. While standard separator pricing may gradually decline, advanced separators are expected to maintain strong value positioning.
For instance:
- Manufacturing scale expected to reduce baseline Lithium-Ion Battery Separator Price by nearly 8% by 2029
• Automation projected to reduce labor costs by nearly 12%
• Yield improvements expected to reduce waste costs by nearly 6%
At the same time:
- Next-generation separator R&D investments projected to increase by 23%
• Safety compliance costs increasing approximately 10%
• Quality certification costs rising nearly 7%
These opposing forces indicate that the Lithium-Ion Battery Separator Price Trend will remain segmented by performance category.
Overall, the Lithium-Ion Battery Separator Market is transitioning toward a technology-driven pricing environment where performance improvements justify premium pricing while commodity products face cost compression.
Top Manufacturers Dominating Lithium-Ion Battery Separator Market
The Lithium-Ion Battery Separator Market is characterized by a concentrated competitive structure where a limited number of technologically advanced manufacturers control a large share of global production. The market is primarily led by Japanese, South Korean, and Chinese firms due to their early investments in lithium-ion battery materials and strong integration with battery cell manufacturers.
The top manufacturers collectively account for nearly 58% of the Lithium-Ion Battery Separator Market in 2026, reflecting strong technical entry barriers. Qualification cycles for automotive batteries often exceed 18–24 months, which restricts new entrants and strengthens incumbent supplier positions.
Key manufacturers operating in the Lithium-Ion Battery Separator Market include:
- Asahi Kasei Corporation
• SK IE Technology
• Toray Industries
• Sumitomo Chemical
• Mitsubishi Chemical Group
• SEMCORP
• Shenzhen Senior Technology Material
• W-Scope Corporation
• ENTEK International
• UBE Corporation
These companies compete primarily on separator thickness innovation, coating technology, thermal stability performance, and long-term supply agreements with EV battery manufacturers.
Lithium-Ion Battery Separator Market Share by Manufacturers
The Lithium-Ion Battery Separator Market shows a clear tier structure based on production capacity and technology capability.
Estimated manufacturer market share distribution in 2026 shows:
- Asahi Kasei – 14%
• SK IE Technology – 12%
• SEMCORP – 11%
• Toray Industries – 9%
• Shenzhen Senior Technology – 7%
• W-Scope – 6%
• ENTEK – 5%
• Sumitomo Chemical – 4%
• Mitsubishi Chemical – 3%
• Other regional manufacturers – 29%
Japanese manufacturers continue to dominate high-performance automotive separator segments due to strong material science expertise. South Korean manufacturers maintain strong positions in EV battery supply chains, while Chinese manufacturers dominate cost-efficient high-volume production.
This structure reflects how the Lithium-Ion Battery Separator Market is divided between technology leadership and scale-based competition.
Asahi Kasei Competitive Strength in Lithium-Ion Battery Separator Market
Asahi Kasei holds a leadership position in the Lithium-Ion Battery Separator Market due to its diversified separator technology portfolio and long-term relationships with automotive battery manufacturers.
Key separator product lines include:
- Hipore wet process separators used in EV batteries
• Celgard dry process separators used in high-power batteries
• Coated separators designed for improved thermal stability
The company focuses heavily on wet-process separators, which are preferred in automotive applications due to their uniform pore structure and safety performance.
Strategic strengths include:
- Strong presence in automotive battery supply chains
• Continuous investment in ceramic coated separators
• Expansion into North American production to support regional battery manufacturing
Asahi Kasei continues strengthening its Lithium-Ion Battery Separator Market share through safety-focused separator innovations.
SK IE Technology Position in Lithium-Ion Battery Separator Market
SK IE Technology is another major player in the Lithium-Ion Battery Separator Market with strong expertise in wet-process separator technology and ceramic coating processes.
Its lithium battery separator (LiBS) products are widely used in EV batteries due to high porosity and fast charging compatibility.
Key competitive advantages include:
- High porosity separator films improving battery efficiency
• Ceramic coated separators improving safety performance
• Long-term supply contracts with EV battery producers
The company is also investing in next-generation separator products compatible with silicon anode batteries and high-energy density battery platforms.
This strategy is helping SK IE Technology maintain strong growth in the Lithium-Ion Battery Separator Market.
Toray Industries Technology Position in Lithium-Ion Battery Separator Market
Toray Industries maintains a strong presence in the Lithium-Ion Battery Separator Market by leveraging its polymer chemistry expertise and advanced film manufacturing capabilities.
Key separator offerings include:
- High strength polyolefin separators
• Ultra-thin battery separator films
• Heat resistant separators for EV batteries
Toray’s strategy focuses on supplying premium separators to automotive battery manufacturers where performance reliability is critical.
Competitive factors include:
- Strong R&D investment in advanced materials
• Development of separators below 10 micron thickness
• Focus on safety certification compliance
This approach allows Toray to maintain a technology-driven position in the Lithium-Ion Battery Separator Market.
SEMCORP Expansion Strategy in Lithium-Ion Battery Separator Market
SEMCORP has emerged as a major volume producer in the Lithium-Ion Battery Separator Market by focusing on production scale and cost competitiveness.
Key strengths include:
- Large-scale wet process separator manufacturing
• Supply agreements with Chinese EV battery producers
• Strong domestic EV ecosystem integration
The company is also expanding coated separator production to move into premium segments.
Growth strategies include:
- Capacity expansion aligned with EV production growth
• Investment in automated manufacturing lines
• Cost optimization through raw material integration
SEMCORP continues gaining Lithium-Ion Battery Separator Market share by combining scale advantages with improving technology capability.
Shenzhen Senior Technology Competitive Growth in Lithium-Ion Battery Separator Market
Shenzhen Senior Technology Material is another fast-growing Chinese manufacturer strengthening its presence in the Lithium-Ion Battery Separator Market through aggressive capacity expansion.
The company focuses on:
- Wet-process separators
• Coated separators
• Energy storage battery separators
Growth drivers include:
- Rapid domestic EV battery expansion
• Partnerships with battery manufacturers
• Technology upgrades to improve separator durability
Chinese firms such as Shenzhen Senior are gaining share in the Lithium-Ion Battery Separator Market through volume-driven strategies supported by domestic battery demand growth exceeding 25% annually.
ENTEK Strategic Role in Lithium-Ion Battery Separator Market
ENTEK remains one of the key Western manufacturers in the Lithium-Ion Battery Separator Market, focusing on supply chain localization strategies.
Key product focus areas include:
- PE/PP separators
• Energy storage battery separators
• Industrial lithium battery separators
Strategic priorities include:
- Supporting North American battery manufacturing growth
• Developing coated separator technologies
• Expanding manufacturing automation
Western manufacturers are increasingly benefiting from domestic sourcing requirements, helping companies like ENTEK strengthen their Lithium-Ion Battery Separator Market presence.
Lithium-Ion Battery Separator Market Competitive Strategy Trends
Competition in the Lithium-Ion Battery Separator Market is increasingly driven by technological differentiation rather than basic material supply.
Major competitive trends include:
- Development of ceramic coated separators to improve thermal safety
• Investment in ultra-thin separators to improve battery energy density
• Focus on separators compatible with next-generation battery chemistries
• Automation investments to improve production yield
• Digital quality inspection systems reducing defect rates
Manufacturers are also entering strategic partnerships.
For instance:
- Separator companies entering long-term agreements with battery cell producers
• Joint ventures between material suppliers and battery OEMs
• Expansion into localized production near gigafactories
These strategies are reshaping competition dynamics in the Lithium-Ion Battery Separator Market.
Recent Industry Developments in Lithium-Ion Battery Separator Market
Recent industry developments show increasing investments in capacity expansion and technology improvements.
2024
• Separator manufacturers announced expansion plans aligned with EV battery demand growth
• Increased investment in ceramic coating technologies
• Development programs initiated for solid-state compatible separators
2025
- New separator production lines commissioned to support gigafactory expansion
• Companies increased focus on separators supporting fast charging batteries
• Increased partnerships between separator manufacturers and EV battery producers
2026
- Manufacturers increasing R&D spending on high temperature resistant separators
• New separator designs targeting batteries above 300 Wh/kg energy density
• Development of recyclable separator materials to meet sustainability targets
• Investments in AI-driven defect detection improving manufacturing quality
