X ring is a kind of sealing product which is usually ... Compressor in air conditioning, etc.3. Main products: O-Ring.X Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil ... , ROHS, SGS ,ISO9002:2009, .Export Ratio: 51% - 60% Current Export Market: North America,South America,Western Europe,Eastern Europe,Eastern Asia ... Test, Thickness Meter, Shore-A Hardness Tester, Optical Projector rubber x seal