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MOREChina’s First Directly Square to Square Straight Welded Pipe Production Line
This pipe line adopts our advanced direct square forming technology with generation II. It realizes that one set of roller can produce all pipe sizes，and roller position adjustment is controlled by motor, greatly saving production cost.
MOREChina’s First Straight Seam Welding API Pipe Production Line with Max OD 720mm
This project is China's largest straight seam welded pipe production line independently developed by Shijiazhuang Zhongtai Pipe Technology Development Co.,Ltd.. It adopts ZTF technology and double-sided submerged arc welding for the production of API pipes.
MOREChina’s First Used“ZTF Forming Method”Welded Pipe Production Line
ZTF is a kind of forming technology developed by Zhongtai Company in 2005, which absorbed advanced technology from both domestic and international, and then earn “Technology Innovation Award” by China Cold Forming Steel Association.
MOREChina’s First Multi-functional Welded Pipe Production Line
This kind of mill can produce round pipe,square and rectangular pipe and some of abroach cold rolled section steel.ZTF Forming Technology Used In Producing Round Pipe.Directly Square Forming Technology In Producing Square&Rectangular Pipe.Produce Parts Of Abroach Cold Rolled Section Steel

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