Cold Drawn Flat Bar Thickness:4mm-50mm Width:15mm-130mm Length:4-10M Material:Q235,45#,16Mn,40Cr etc. Tianjin Anxintongda Steel Pipe Co., Ltd. is Established in 2000 specializes in the business of galvanized square & rectangle steel pipes.Located in Tianjin, we enjoy convenient transportation access.Our company covers an area of 45,000sqm and has around 120 staff membersFurthermore, all our ...