Kunshan Xinzhenpin: Certified ePTFE Vent Membrane Manufacturer with Full In-House Manufacturing Chain
2026/07/23
Company Overview
Established in 2018, Kunshan Xinzhenpin New Thin Film Material Technology Co., Ltd. is a specialized manufacturer dedicated to ePTFE waterproof and breathable membrane solutions. Headquartered in Kunshan, China, the company has rapidly grown into a trusted partner for global OEMs and tier-one suppliers across multiple high-performance industries.
Fully Integrated Manufacturing
Kunshan Xinzhenpin operates a fully integrated production chain covering every critical stage of ePTFE product manufacturing:
- Raw Membrane Manufacturing: In-house production of ePTFE membranes ensures complete control over material quality, thickness uniformity, and pore structure consistency.
- Composite & Post-Treatment Processing: Advanced treatment technologies including hydrophobic and oleophobic modification, functional lamination, and performance coating.
- Precision Converting: High-accuracy rotary die-cutting and slitting tailored precisely to customer dimensional and geometric specifications.
- Automated Assembly: Fully automated assembly lines for finished vent plugs, vent caps, vent valves, and vent gaskets.
Manufacturing Capabilities & Capacity
The company's manufacturing floor is equipped with advanced equipment including precision rotary die-cutting machines, slitting machines, 2D optical measurement systems, and ultrasonic welding machines. In-house testing facilities feature air permeability testers and hydrostatic pressure testers, ensuring every batch meets rigorous performance standards.
Current production capacity utilization remains below 60%, providing substantial headroom for rapid order fulfillment:
| Operation | Throughput |
|---|---|
| ePTFE Membrane Line | 3 meters per minute |
| Vent Plug Assembly | 20,000 units per 8-hour shift per line |
Quality Assurance
Quality is engineered into every step of the manufacturing process. All operations are governed by autonomous automated control systems, and 100% air permeability testing is conducted on finished products to guarantee consistent field performance. Core ePTFE raw materials are imported to secure stable premium quality. In parallel, the company offers domestically produced process-grade membranes that deliver reliable performance with superior cost advantages and greater supply flexibility.
Certifications
Kunshan Xinzhenpin holds internationally recognized certifications that underscore its commitment to automotive-grade quality and environmental responsibility:
- IATF 16949: Automotive quality management system certification, demonstrating the capability to meet the most demanding automotive industry standards for defect prevention and continuous improvement.
- ISO 14001 & GB/T 24001: Environmental management system certifications, reflecting a strong commitment to sustainable manufacturing practices and regulatory compliance.
Technical Expertise & Team
The company's team of 30 includes 6 management professionals and 6 dedicated technical specialists. Their deep expertise is reinforced by a rich portfolio of customized solutions developed for unique customer applications. This experience, combined with industry-leading technical reserves, in-house mastery of core treatment technologies, and high levels of production automation, forms the foundation of the company's distinct cost efficiency.
Comprehensive Product Portfolio
Kunshan Xinzhenpin offers a comprehensive product portfolio spanning:
- Vent Membranes
- Vent Plugs
- Vent Valves
- Vent Caps
- Vent Gaskets
- Acoustically Transparent Membranes
- Desiccant Components
Target Markets
These products serve demanding applications across multiple high-growth industries:
- Automotive: Battery pack venting, ECU protection, lighting systems, and sensor enclosures.
- New Energy: Energy storage systems, power battery enclosures, and hydrogen fuel cell applications.
- Outdoor Electronics: Weather-resistant enclosures, telecom equipment, and outdoor display systems.
- Medical Devices: Sterile barrier packaging, diagnostic devices, and surgical equipment venting.
Partnership Approach
At Kunshan Xinzhenpin, every client engagement is built on a genuine partnership model. The company's rapid responsiveness, technical depth, and certified manufacturing excellence ensure that from prototype to high-volume production, partners receive consistent quality and reliable delivery. With available production capacity, internationally certified processes, and a dedicated technical team, Kunshan Xinzhenpin stands ready to support the next generation of venting and filtration challenges across global markets.
