We are a group specialized in manufacture a full range of valves in a variety of sizes, pressure ratings and materials. Larger sizes, ratings and special materials are made to order according to your requests. And we also offer kinds of mechanical seals for pump, pipe fitting, stainless steel elbow & casting. Our products hold high quality, and we supply good services, now our products have been sold to U.S.A, Europe, Africa ,Asia etc, and obtain the certifications of ISO9001:2000,ISO14001,some of our products are recognized by AMERICAN PETROLEUM INSTITUT and CE standard of PDE in EU.