Tianjin Minjie steel Co.,Ltd was established in 1998. Our factory more than 70000 square meters, just 40 kilometers from XinGang port, which is the biggest port in the north of China . We are a professional manufacturer and exporter for steel products.The main products are pre galvanized steel pipe, hot dip galvanized pipe, welded steel pipe ,square&rectangular tube and scaffolding products.We applied for and received 3 patents.They are groove pipe ,shoulder pipe and victaulic pipe. Our manufacturing equipment include 4 pre-galvanized product lines, 8ERW steel pipe product lines,3 hot-dipped galvanized process lines.According to standard of GB ,ASTM ,DIN ,JIS.The products are under the ISO9001 quality certification.