Pump Cup/Diaphragm specialty:

1. Long lifespan, continuous operation can reach 15000 hours;
2. Good fatigue resistance, high intensity, small elastic changes, can be used for high flow and high pressure requirements;
3. Excellent elasticity, low noise;
4. Hardness adjustable according to customer requirements from 40-65 degrees;
5. Temperature range from -40~150º C;
6. Applies to all the micro air pump, water pump use;
7. The products are of RoHS and ISO9001 approved;
8. We can make new mould according to your samples or drawings.



Our service

1. Sample:
(1). If you worry about our quality before ordering, we can supply you our current samples for free to check our quality
(2). After finishing the mold: We would supply the samples for your approval before mass production ensure everything is perfect.

2. OEM / ODM service
OEM & ODM ar highly welcomed, we provide full technical support for free.

3. After-sales service
100% responsible for our products, supply active feedback within 24 hours and solutions in short time; Supply re-work or refund if the mistake caused by us.




Xiamen Yiho Polytek CO., LTD. Through many years of technical research, developed a unique rubber formulations that produce a rubber cup with ultra-high life under dynamic conditions in 50 times/s. We specializing in producing various types of rubber cup, which use in massage chair miniature pump / aquarium mini air pump / air source tools and other types of micro-pump / pump. A number of well-know company in China choose our product.

Ultra-Long Life EPDM Rubber Diaphragm for inflator