We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for Oil seals for construction machinery with high exposure to dirt, Polytetrafluoroethylene And Copper Powder Guide Ring, pneumatic piston seal types, Combined Seal Ring,Pneumatic Piston Cup Seals. Safety through innovation is our promise to each other. The product will supply to all over the world, such as Europe, America, Australia,Thailand, Puerto Rico,New Zealand, Egypt.We believe with our consistently excellent service you can get the best performance and cost least products from us for a long term . We commit to provide better services and create more value to all our customers. Hope we can create a better future together.