M: zhangli.interesting at hotmailcom ) is the largest and most professional SSAW pipe manufacturer in North China, it established in 1994. The company occupies 830,000 square meters, The total assets is about 600 million. With advanced technique and completely inspection equipment, we can produce spiral pipes comply with standards of SY/T5040-2000, SY/T5037-2000, GB/T9711.1-1997, and API 5L. Outside Diameter: 219 mmto 3200mm, Pipe Thickness: 5mmto 26mm (0.236-0.708inch),Steel Grade:ASTM A252 Gr1,Gr2,Gr3, SS400, St37,St52,Q235B,Q345B, API GrA, GrB, X42, X46, X52, X56, X60, X65, X70.
We have nine spiral pipe production lines . annual output is 300,000tons. Our pipes widely used as structure steel pipe, piling pipe, sewage and drinking water transmission, line pipe for petroleum, gas etc.
We accept the third party inspection such as GL, SGS,BV,TUV etc. Our goods have been export to so many countries such as UAE, Iran, Bahrain, Saudia Arabia, Argentina, Portugal, USA, Canada, New Zealand, France, Nigeria, South Korea, Pakistan, India, Vietnam, South Korea etc. Our company is especially good at special materials, special diameter and thick wall thickness SSAW pipe. We can also do many kind of coating of the pipe, such as : varnish coating, epoxy coating, FBE, 2PE(double-layer polyethylene), 3PE(three polyethylene),cement mortar lining. Standard:DIN30670, DIN30671, SY/T4013-2002, SY/T0315-97 standards.
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