تامین کننده لوله فولادی مربعی 2 اینچی OD

With an annual output of 8 million tons, Yuantai Derun is the largest square steel tubing, rectangular steel tubing, hollow tubing, galvanized tubing, and spiral welded tubing manufacturer in China. Annual sales reached $15 billion. Yuantai Derun has 51 black ERW tubing production lines, 10 galvanized tubing production lines, 10 photovoltaic support production lines， and 3 spiral welded tubing production lines. Square tubing Outer Diameter cover： 10 * 10 * 0.5mm to 1000 * 1000 * 60MM, rectangular steel tubing Outer Diameter cover: 10 * 15 * 0.5mm to 800 * 1200 * 60MM, spiral tubing Ø 219-3000mm, LSAW steel tubing Ø 355.6-1420mm, ERW round tubing Ø:10.3-619mm, Seamless tubing Ø:21.3-820mm, Length cover:0.5-24M, Thickness cover:0.5-60mm, steel grades from Q (s) 195 to Q (s) 690B / Gr.a-Gr.d. Yuantai Derun can produce square rectangular tubing according to ASTM A500/A501, JIS g3466, en10219, EN10210, din2240, and as1163. Yuantai Derun has the largest square rectangular tube inventory in China, which can meet the direct purchasing demand of customers. Welcome everyone to contact Yuantai Derun, E-mail: at sales@ytdrgg.com, and Real-time connection inspection plant or factory visit！