... performance ratio 3.OEM&ODM: YES Product Description Item nameFlat o ring MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT ... capabilities. We are a major rubber sealing elements manufacturer with combination of R&D,production and sales for more ... , appliances, hardware and machinery, hydraumatic & pneumatic, vehicle & motorcycle fittings of various enterprises. If you are intersted in any items ...