1. Various materials and hardness for customer's option, include FKM, Nitrile, EP, silicone, ACM, flour silicone, alfas, polyurethane, neoprene, etc.
2. All o-rings are made according to international standard: ISO 3601, AS 568A, DIN 3771, JIS B2401.
3. Mix material by ourselves.
4. Mold making by ourselves.
1. Customer design mold.
2. Excellent environment of manufacturing.