Хятад ERW хоолойн тээрэм өндөр давтамжийн хоолойн тээрэм …
High Frequency ERW Tube & Pipe Mill Machine ERW Tube & Pipe Mill Machine Series are the specialized equipment to produce high-frequency straight seam welded pipe and tube for structural pipe and industrial pipe with Φ4.0~Φ273.0mm and the wall thickness δ0.2~12.0 mm. The whol...