1. LSB produce o-ring,x-ring.rubber parts.oil seal ,seal. 2. Any colour and size are accept. 3. TS16949,NSF ... - 60% Current Export Market: North America,South America,Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Mid East Factory Size In Square ... Equipments Tensile Testing Machine, Rubber Tensile Machine, Rotary Oil Seal Test Bed,Rubber Brittle Low-Temperature Test Bed, Aging Test ...