Welding Square Pipe Roll Forming Machine - Pipe making
2020-1-6u2002·u2002Square Pipe Roll Forming Machine. LOTOS is professional in manufacturing high-quality steel welding square pipe roll forming machine and welded tube mill machine. The square tube is a kind of square pipe, which is a steel pipe with equal sides. Generally, welding to form a round tube, and then rolled into a square tube by a round tube and then cut into the desired length.
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