About Us 

Class 10000 dust-free workshop for ePTFE waterproof membrane production
Mimoyin Factory Dust-Free Production Line © Mimoyin Technology
About Mimoyin Technology
Mimoyin Technology is a professional manufacturer focused on R&D, production and customization of high-performance expanded PTFE (ePTFE) functional membranes. We are located in Shenzhen, Guangdong, China, with a Class 10,000 dust-free workshop and complete testing laboratory to guarantee stable product quality in mass production.
Our core product lines cover three major categories: waterproof breathable membrane, acoustic sound-permeable vent membrane and pressure equalization vent membrane. All items reach IP67 / IP68 waterproof grade, with customizable thickness, air permeability, die-cut shapes and adhesive backing to match different customer structural designs.
We provide one-stop solutions for global buyers, covering consumer electronics, TWS earphones, automotive electronics, new energy batteries, smart wearables and outdoor industrial equipment. All raw materials comply with RoHS & REACH standards to meet export requirements to Europe, USA, Southeast Asia and other regions.

Our Advantages

  1. Independent ePTFE stretching and micropore molding technology, stable acoustic & breathable performance.
  2. In-house die-cut workshop, support small-batch samples and mass bulk orders.
  3. Strict incoming material & finished product inspection to control waterproof, air permeability and sound loss indexes.
  4. Fast sample delivery within 3–5 working days, flexible customization without extra mold fees.
  5. Professional foreign trade team with 7×16 hours online service for technical support and order follow-up.

Our Factory

Our dust-free production lines ensure clean micropore membranes free of dust and impurity. Professional test equipment is used to detect waterproof rating, air flow, acoustic insertion loss and temperature resistance before delivery. We welcome global customers to arrange factory visits or online video inspections at any time.

Our Mission

To supply reliable, cost-effective ePTFE vent membrane solutions and become your long-term stable partner for waterproof & breathable component supply.