
TYT rise all the way to be a top player in the square pipe business. erw pipe produced by Tianjin TianYingTai Steel Pipe Co., Ltd is very popular in the market. TYT galvanized structural steel is required to go through a series of quality tests. Its work blank, mechanical parts such as engine and motor, and materials have to be inspected by specific measurers or testing machines. It can be processed by hot-dip galvanizing or electric galvanizing. Efficient quality check has helped improve the quality of square pipe a lot. It has gone through heat treatment to remove the stresses that may occur due to welding and formation processes.

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