Highland Steel Pipe Company, organized by Rolling Pipe Manufacturing Plant, Heat Treatment Plant, Petroleum Pipe Manufacturing Plant and Shengli Oifield Highland Drilling Tools Co., Ltd., is the Steel Pipe Field of Shengli Oilfield Highland Petroleum Equipment Co. Ltd. Shengli Oilfield Highland Petroleum Equipment Co. Ltd was established in 1992. As a recognized industry leader in China, we are committed to developing, manufacturing and supplying a variety array of oilfield products categorized as drilling equipments, production equipments, tubular goods, pipelines, chemicals and oilfield services. We are a national Hi-tech enterprise, and own 120 national patents, 18 of them are invention patents. We have established a complete quality control system and certified by three Quality Management Systems such as ISO9001:2000 Quality Management System, ISO14001 Environmental Management System and OHSAS18001 Occupational Health and Safety Assessment Series. 16 kinds of products such as drilling rig, casing, tubing, drill pipe, pumping unit, sucker rod, sucker rod pump and composite pipe etc. are licensed to use API 4F、API 7K、API 8A、API 5CT、API 5DP、API 11E、API 11B、API 11AX and API 15HR monograms, all the products are manufactured completely according the above standards. As an important branch of Shengli Oilfield Highland Petroleum Equipment Co. Ltd, Highland Steel Pipe Company has abundant capital resources, high efficient management, professional working team, advanced processing technology, first-class production equipments and sophisticated inspection equipments, is a large-scale OCTG processing and sales enterprise. We have one rolling pipe production line, one heat-treatment line, five threading processing lines, two upsetting lines and one friction welding production line, the plants are equipped with advanced inspection devices such as Ultra-sonic Defection device, Magnetic Flux Leakage Device, Magnetic Powder Detection unit, Hydrostatic Testing *****