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Spiral steel pipe is an important steel pipe in the project construction. It is forme...
ZKR series clean coal dehydration straight line screen is applied to coal preparation...
CNC roll grinder is self-developed and manufactured after combining Germany advanced ...
ERW: D: 21.7-610mm; T: 1.8-16mm Application: for oil pipe, casing, line pipe in petr...
ERW: D: 21.7-457.2mm; T: 1.8-14.27mm Spirally submerged arc welded pipe: D: 219-3040...