Shanghai Minlian Mechanical Seal. Co., Ltd. is one of the main members of Hydropneumatic seal Industry Associattion of China. We professionally produce more than 20series and over 80 kinds of specifications of products in our company and they conform to the standards of API610, DIN24960, ISO3069, GB6556, HG2098, HG21571 etc. Our products are mainly applied to the petroleum, chemical, paper making, pharmaceutical, shipping, metallurgical, electric power, offering water, printing, environmental protection industries. We have advanced technique and can provide series of service, including choosing products-type, developing and exploiting the mechanical seal which is requested specially; On the other hand, we can produce rubber seal ring of many kinds of material and seal ring wrapped by PTFE. We pay great attention to the quality of our products and our company is well equipped with advance testing and inspection facilities. In the selective examination of State Bureau of Quality and Technical Supervision; Our products have kept excellent for three years and our company was praised by the Stat ureau of Industrial Machinery in 1998. We were greatly applauded with the product uality, technical assistance and good reputation by our clients. We are always ready to have business discussion with the clients from home and broad.