JIANGSU JINGWEI VALVE CO.,LTD specializing in the production of needle valve, valve, pipe, valve technology, filters, product variety. widely used in petroleum, chemical, electric power, medicine, papermaking, metallurgy, light industry, machinery, environmental protection and other industrial automation pipeline system. At the same time, with advanced production equipment, a sound quality assurance system and excellent after sale service system. We believe that " quality first, Customer first, credibility first". Promotes the brand of Jingwei...