Company Profile

HaiCheng Liaohe Large Steel Pipe Co., Ltd. was established in 2002 with a registered capital of 125.08 million RMB. Covering an area of 160,000 square meters, the company currently employs 256 staff members, including 52 senior and intermediate quality technicians. It specializes in the production of spiral steel pipes, straight seam steel pipes, insulated pipes, steel-plastic composite pipes, socket-type spiral steel pipes, steel pipe piles, casing steel pipes, square pipes, and three-layer PE (3PE) pipes. As a modern and standardized large-scale enterprise, its factory is located in the TieXi Economic Development Zone of Hai City, Liaoning Province.

The company operates six spiral steel pipe production lines, manufacturing spiral steel pipes with specifications ranging from DN200 to DN4200, wall thicknesses of 5mm to 25.4mm, and an annual production capacity of 450,000 tons.

The company has two straight seam steel pipe production lines, manufacturing straight seam steel pipes with specifications ranging from DN800 to DN5200, wall thicknesses of 10mm to 120mm, and an annual production capacity of 200,000 tons.

The company has four spiral welded steel pipe production lines with spigot and socket connections, capable of producing pipes with specifications ranging from DN200 to DN4200, wall thicknesses from 5mm to 25.4mm, and an annual production capacity of 800 kilometers.

The company has four prefabricated buried thermal insulation pipe production lines and multiple advanced thermal insulation jointing equipment, with production specifications ranging from DN50 to DN1600 and an annual production capacity of 1,000 kilometers.

The company possesses two production lines for spray-wrapped thermal insulation pipes and multiple advanced thermal insulation jointing equipment, with production specifications ranging from DN500 to DN1800 and an annual production capacity of 800 kilometers.

The company operates four steel-plastic composite pipe production lines, with production specifications ranging from DN150 to DN5200 and an annual production capacity of 1,000 kilometers.

The company operates three 3PE anti-corrosion pipe production lines, with manufacturing specifications ranging from DN50 to DN3600, and an annual production capacity of 1,000 kilometers.

The company possesses three steel pipe internal and external wall rust removal lines, with an annual production capacity of 2,000 kilometers.

The company has six steel pipe pile production lines, with production specifications ranging from DN200 to DN5200 and wall thicknesses from 6mm to 120mm, achieving an annual production capacity of 500,000 tons.

All products of the company comply with the national standard GB/T9711-2023 for steel pipes used in oil and natural gas pipeline transportation systems, the petroleum industry standard SY/T5037-2023 for spiral-weld submerged arc steel pipes for low-pressure fluid conveyance, the national standard GB/T29047-2021 for prefabricated direct-bury thermal insulation pipes, the national standard GB/T34611-2017 for spray-wrapped thermal insulation pipes, the urban construction standard CJ/T120-2016, the national standard GB/T28897-2021 for steel-plastic composite pipes, the national standard GB/T23257-2017 for polyethylene anti-corrosion layers 3PE for buried steel pipelines, and the enterprise standard LH/QW-03-42 for socket-type steel-plastic composite pipes. The products are widely used in projects such as oil, natural gas, long-distance thermal power networks, long-distance hydraulic networks, chemical industries, coal gas, slurry, brine, power, irrigation, pile driving, and steel pipe casings for bridge construction. The company leverages the resources of Ansteel, Bensteel, and Tangsteel, ensuring ample raw material supply and geographical advantages.

The company has the Special Equipment Production License of the People's Republic of China (for the manufacture of pressure pipeline components), IS09001 Quality Management System certification IS014001 Environmental Management System Certification, IS045001 Occupational Health and Safety Management System Certification, "Liaoheyuan" Brand Registered Trademark, Liaoning Province Domestic Hygiene License Certification for Drinking Water related Safety Products, API Certification of the American Petroleum Association, National Laboratory (CNAS) Accreditation Certificate, China Building Waterproof CBW Certification, Socket type Steel Pipe Sealing Structure Patent, Safety Production Standardization Class III Enterprise, Construction Public Works Construction General Contractor Class II, Construction Waterproof, Corrosion Protection and Insulation Engineering Professional Contractor Class II, Construction Labor License regardless of grade and Safety Production License, Anshan Science and Technology Little Giant Enterprise, High tech Enterprise, Liaoning Province "Specialized, Special and New" Small and Medium sized Enterprises, Top 100 Enterprises, Inspection free Enterprise Civilized Enterprise exemplary organization, Anshan Top 50 Private Enterprise Taxpayers, Haicheng Top 20 Private Enterprise Taxpayers, etc.

The company is a qualified supplier of PetroChina, Sinopec, and CNOOC, and has established a rigorous quality assurance system to ensure a 100% pass rate for product quality inspection before leaving the factory. The product is sold throughout the country and exported to Saudi Arabia. Russia, Myanmar, Iran and other regions have won high praise from users for their high-quality products and comprehensive technical services.