O Rings
Model : 021. 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.