... in air conditioning, etc.3. Main products: O-Ring.X Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU oil seals , rubber flat ... 's requirement.6. Colour: red ,white,black ,blue ,yellow,green ,brown ,etc.7. Standard:AS568,DIN3771,JIS B2401,ISO3601,BS1806 ... 51% - 60% Current Export Market: North America,South America,Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Mid East Factory Size In Square ...