Spiral Pipe Co., Ltd. In Cangzhou City in North China is the largest, most professional spiral pipe production of large enterprises, is in Cangzhou City in 2000 by the spiral and Steel Plant (established in 1994) formed the joint-stock company restructuring. The company occupies 240, 000 square meters, The total assets of 600 million yuan, strong technical force, the existing eight SAW spiral of production lines, production technology and equipment to trace detection, can be SY/T5037-2000, GB/T9711.1-1997, GB/T9711.2 -1999 Standards and QPISpec5L standard production 219-2420 mmX5-18mm, Q235, Q245, X42-X70-class steel wall thickness of the different "Wuzhou" card spiral welded pipe, in 2005 my company has 60 million additional investment in the two Longitudinal Welded Pipe Production lines, can produce 114-508 mm steel pipe products are widely used in oil and gas, chemicals, power, heat, water and other long-distance pipeline.