200x200 galvanized square steel tube for construction

Pre galvanized RHS and SHS are made of galvanized steel strips,normally uses ERW (Frequency straight seam resistance welding) technique.This type galvanized tube has some obvious advantages,such as Light weight,speed-production,low prices,widely used and so on.

-Pre-galvanized Rectangular Tube

-Pre galvanized Square Tube

There is a complete set of production line for pre-galvanizedsquare hollow section and rectangular hollow section. We use pre galvanized steel strips for raw materials, through a variety of processing technology, such as flattening, shearing and butt welding, circle shearing, loop shoring, roll forming, ctttingand so on.

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