Jianhu longxin Petroleum Machinery Co., Ltd is located in Jiangsu. She is also technology enterprise of Jiangsu province. Member-enterprise of China Oil Material & Equipment Import and Export Corporation, China Petrochemical Material & Equipment Corporation and China Material & Equipment (Group) Corporation. The enterprise passes the inspections of measurement assurance and second-class standardization. Owning API SPEC 6A, 16A and 16C in 2011. Also, Longxin passes ISO 9001, ISO14001, OHSAS18001 and HSE certification in 2013. Owning API SPEC Q1 in 2021. Jianhu longxin petroleum machinery Co., Ltd is a professional manufacturer of wellhead. Main oil products consist of 2000-15000 psi series wellhead of oil & gas production, thermal wellhead and water injection wellhead, casing head, 2000-15000psi choke & kill manifold, cementing manifold, pup-joint manifold, mud manifold, BOP and the fittings& parts of drilling and production. Wellhead series of products pass the inspection of detection center for the national oil & gas wellhead. BOP passes inspection of National well control equipment quality supervision center. These products are sold to oilfield of China such as Daqing, Shengli, Liaohe, Dagang, Xinjiang, Zhongyuan, Yumen and Tuha, and Our products are widely used in oilfields all over the domestic country, and have been exported to USA, Middle East, Southeast Asia, etc. The quality of our products enjoys high reputation in our customers.