... ,Bath,Gate,Hydropneumatic,Electronics 3.Main products:O-Ring.X Ring V-Ring 1. material:NBR,EPDM,SI,FKM ... etc.3. Main products: O-Ring.X Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU oil seals ... but o-ring's mold fee is free Company Name: Tianjin Jinjin Haode Hydraulic seals Co. , Ltd. Business Type: Manufacturer Ownership Type: ... Meter, Shore-A Hardness Tester, Optical Projector rubber X seals