PangTong Wellhead USA Inc. (PTWUSA) is a leading provider of wellhead equipment and equipment services to the petroleum industry leaders worldwide.

Shanghai Wellhead Equipment Manufacture Co.,Ltd is the factory concentrate the valve technology ( API 6A, 16A, 16C) cohesion from Shanghai Pangtong Business Enterprise and shanghai Dongbao-Maiai Petroleum Machinery Co.,Ltd, is a product management, design, manufacture, testing in one of private enterprises. From 2006 until now, our team has been product the API 6A, 16A, 16C for Weatherford.