High Frequency Pipe Welding Machine is a equipment which belongs to cold roll forming, also belongs to high frequency hot welding forming. The high frequency is same with other roll-formed profiles machines, de-coiling, leveling, cold roll forming, while the high frequency welding machine is welded by high frequency after it is formed by the stations of rollers. high frequency pipe welding machine can produce different shapes of tubes or pipe by changing the mold, in a word, one high frequency pipe welding machine can produce the square tube, the round tube, the rectangular tube.
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