CNSG (SINO STEEL GROUP) Located in Tianjin Daqiuzhuang. (CNSG) Built in 1995 with registered capital RMB 120 million, we have an annual production capacity of 244000 MT and exporting quantity of 60,000MT.
Spiral steel pipe is a spiral steel pipe made of strip steel coil as raw material, extruded and pressed at regular temperature, bent and formed in the shape of a spiral, and welded with an automatic double-wire double-sided submerged arc welding process for the inner and outer seams.
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