All O-Rings are made according to international standardISO3601, AS568A, DIN377 1JIS2401,

Various materials and hardness for o ring customer''s option,include FKM, Nitrile, EP, peroxide EPDM Silicone,NR,Fluorosilicone/FMVQ,silicone, Polyurethane ,Neoprene etc.

Excellent environment of manufacturing

The most inexpensive and economical sealing element.