Three-way or four-way round pipe welding is a common technique in practice.
将圆形管件焊接成三通、四通等是焊接行业经常遇到的工艺。
Technology: flange type of heating is heating pipe welding flanges from fixed.
工艺：法兰式加热管是由加热管与法兰焊接固定而成。
Of Dongguan City in Guangdong Province, the first professional production of stainless steel pipe welding businesses.
东莞市兴业金属材料有限公司是广东省东莞市首家专业生产氩弧焊不锈钢管的企业。
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