Profile: T C S Seals, Cheng Mao Precision Sealing Co., LTD. is engaged in providing products, services and solutions to equipment manufacturers. We produce oil seals, power steering, heavy duty, transmission, high pressure, rotary shafts, pneumatic and hydraulic seals. We are an ISO/TS 16949:2002 certified company. Our production facilities are equipped with software and hardware devices, such as CAD Key, Micro Vu (3D vision measuring systems), radial load testers, tensile testers, oil seal life testers, hardness testers, rotorless rheometers, CNC lathes, rubber compound kneaders, rubber cutters, rubber slicers, low temperature storage, sanding machine, bonding machine, rubber compression molding machines and trimming machines.