HTCO was founded in 2001, located in Liaoning Pilot Free Trade Zone – Yingkou. HTCO is the manufacturer specialized in production of pressure pipeline accessories, could manufacture goods of various materials & standards as per clients' requirements, also could do as per clients' drawings, then could meet all the demands of each projects. HTCO has obtained API, ISO, CRN, KOC approved certificates. The goods are exported to worldwide, such as Korea, Europe and Iran etc. HTCO also established warehouse and branch in Dubai. Our main products are seamless and welded elbows, tees, reducers, caps, crosses, bends, barred tees, stub ends, strainers, forged flanges, forged fittings. All of these products are widely used in oil and gas fields etc.