1.Non standard o rings all can be made here 2.NBR, EPDM, FKM, ... , red, white, green, yellow, blue, brown, according to customers' requirementsWeight0.01-10gMOQAbout 5000PCSOEMOEM is welcomedDetails Different material has different performance, we ... center, can develop most kinds of high tech required molds.O ring, rubber ring, seal Rubber Products Manufacturer Molded Rubber Seal ...