Cangzhou Synda steel pipe group co., LTD is a large key metallurgical enterprises of hebei province in north China. It was founded in 2000, currently has eight members of the company, product from SSAW, LSAW, ERW, seamless steel tube to anti-corrosion steel pipe, insulation pipe, the factory covers an area of 800000 square meters, total assets of $580 million. An annual output of 1 million tons of spiral steel pipe, LSAW 500000 tons, 300000 tons of seamless steel tubes. the company has 16 sets of SSAW pipe production line, the main production 159-3860 - mm diameter, wall thickness 5-28 mm double-sided submerged arc welding pipe, and material, grade Q235AB Q345, L245, L360 and X42 - X80 in accordance with API Spec 5 l and most other standards. It has six seamless pipe production line can produce 18-920 - mm diameter, wall thickness of 2-80 - mm products, comply with ASTM, API 5 l and API 5 ct standard, etc. by the 4 sets of LSAW pipe production line production, 18-1600 - mm in diameter, wall thickness 2-60 mm, accord with standard of API Spec 5 l. Products are widely used in natural gas, petroleum, chemical, electric power, heat, water and other long-distance pipeline. It has six seamless pipe production line can produce 18-920 - mm diameter, wall thickness of 2-80 - mm products, comply with ASTM, API 5 l and API 5 ct standard, etc. by the 4 sets of LSAW pipe production line production, 18-1600 - mm in diameter, wall thickness 2-60 mm, accord with standard of API Spec 5 l. Products are widely used in natural gas, petroleum, chemical, electric power, heat, water and other long-distance pipelines. It has six seamless pipe production line can produce 18-920 - mm diameter, wall thickness of 2-80 - mm products, comply with ASTM, API 5 l and API 5 ct standard, etc. by the 4 sets of LSAW pipe production line production, 18-1600 - mm in diameter, wall thickness 2-60 mm, accord with standard of API Spec 5 l. Products are widely used in natural gas, petroleum, chemical, electric power, heat, water and other long-distance pipelines.