shengli oil field freet petroleum steel pipe co., Ltd. is a professional special petroleum pipe manufacture in the international enterprise, from shengli oil field freet petroleum equipment limited liability company, Japan petroleum equipment company and the Beijing land and oil trading co., Ltd. jointly invested by Sino-foreign joint venture companies.
company currently has five oil casing thread processing lines, two processing lines of coupling and a special petroleum casing of heat treatment production line, covering φ 60mm-PHI 508mm H40,J55,K55,N80,L80,C90,T95,P110,Q125,HCP110 steel grade API oil casing and coupling, Russia Gost standard, large diameter casing oil casing, straight type, special deduction oil casing and OCTG products such as expandable casing. the products fully comply with the United States Petroleum Institute API Spec 5CT, API Spec 5B and Russian standards, an annual processing capacity of 200,000 tons of oil casing, tube heat treatment to 100,000 tons and 500,000 pieces of coupling.
company has passed the certification of API Monogram, ISO9001 quality system certification, environmental and occupational health and safety management system certification, Russia GOST certification, and has an independent Institute of OCTG, are struggling to develop non-standard, special technical product, towards the direction of high quality and variety development, and continuously improve the core competitiveness of the company.
company has the most advanced digital and special coupling screw thread turning machines, testing equipment and test skill up to 70MPa hydrostatic pressure test equipment,
company is located in the mouth of the Yellow River-beautiful city of Dongying city, Shandong province, covers an area of 200 acres, plant area of 30,000 square meters. the company is located in the hinterland of shengli oilfield, the location, adjacent to Qingdao port and Tianjin Port, also has special railway lines, and relying on stone well developed road network in Shandong province (East of the East blue Highway, West of binbo Highway and national highway 208), to provide customers with fast and convenient transport services.