Dongguan DSH Seals Technology Co., Ltd, is a production-oriented technical enterprise having more than twenty years of production and development experience. Our technical staffs specialize in the research and production of polymer wear resistant materials and sealing elements. They have rich experience in design and manufacture. We produce macromolecular materials including PTFE, PU and PLASTICS, RUBBER and so on, which are applicable to harsh work conditioning. We also focus on the research and development, production and sales of the whole series of hydraulic (pneumatic ) cylinder sealing products.