Xingtai Ywei Mechanical Seal Technology Co.Ltd is a high-tech enterprise in the R&D and producing of kinds of sealing ,with modern advanced technology, advanced equipment and perfect production management system.We specifize in producing KZT,SPGO,SPGW,SPG etc PTFE oil seal.The company seal products covers all kinds of engineering machinery ,heavy truck,steel,shipping,mining,petroleum,chemical industry,etc.