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.