O-rings made of various high-performance rubber materials meet FDA, WRAS, PUMC, AED and other certifications. O-ring is a kind of sealing element with "O" shaped cross section, and it is a sealing element with wide application. The main advantages are: Suitable for various static and dynamic working conditions Take up less space Bidirectional seal Different materials are compatible with most media Different materials have a wide temperature range from -70℃ to 325℃ Meet RGD, FDA, WARS, PMUC and other certifications O-rings made of elastomer materials of hundreds of brands can be provided to meet various application conditions of customers.