Hot-dipped galvanized square pipe/tube25*25*2.5Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube30*30*2.5Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube40*40*2.5Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube40*40*2.75Q195-235Handan Zhengda Tube Hot-dipped galvanized square pipe/tube40*40*2.75Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube40*40*3.5Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube50*50*3.0Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube50*50*3.75Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube50*50*3.75Q195-235Handan Zhengda Tube Hot-dipped galvanized square pipe/tube50*50*3.75Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube60*60*3.0Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube60*60*3.75Q195-235Handan Zhengda Tube Hot-dipped galvanized square pipe/tube80*80*3.5Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube80*80*3.75Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube100*100*3.5Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube100*100*4.75Q195-235Jiangsu Youfa Hot-dipped galvanized square pipe/tube120*120*3.75Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube150*150*4.75Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube150*150*5.75Q195-235Handan Zhengda Tube Hot-dipped galvanized square pipe/tube200*200*4.75Q235BTianjin Yuantai Derun Hot-dipped galvanized square pipe/tube200*200*8Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube30*50*2.5Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube40*60*2.5Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube40*80*3.0Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube40*80*3.5Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube40*80*3.75Q235BTianjin Yuantai Derun Hot-dipped galvanized rectangular pipe/tube50*100*3.75Q235BTianjin Yuantai Derun Hot-dipped galvanized rectangular pipe/tube50*100*4.75Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube50*100*4.75Q195-235Handan Zhengda Tube Hot-dipped galvanized rectangular pipe/tube60*80*3.75Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube60*120*3.5Q235BTianjin Yuantai Derun Hot-dipped galvanized rectangular pipe/tube60*120*4.75Q195-235Handan Zhengda Tube Hot-dipped galvanized rectangular pipe/tube80*120*4.75Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube80*120*4.75Q195-235Handan Zhengda Tube Hot-dipped galvanized rectangular pipe/tube80*120*4.75Q235BTianjin Yuantai Derun Hot-dipped galvanized rectangular pipe/tube100*150*4.75Q195-235Handan Zhengda Tube Hot-dipped galvanized rectangular pipe/tube100*150*4.75Q195-235Jiangsu Youfa Hot-dipped galvanized rectangular pipe/tube150*250*5.5Q195-235Jiangsu Youfa
