Xuzhou J.O.L Seal Technology Co., Ltd is the biggest manufactuer for hydraulic seal in China. Our mainly production of PTFE, Polyurethane, Rubber, Nylon, POM, Phenolic Resin and other materials for the various seals and related products. Our products widely used in engineering machinery, injectionn machinery, textile machinery, paper making machinery. Specially hydrautic seals applies to HITACHI, KOMATSU, CAT, KATO, KOBELCO, DAEWOO and HYDNDAI assembly and domestic manufacturer of construction machinery.