Galvanized steel pipe products from Tianjin Zhonghui Steel Pipe
焊管整管热浸镀锌,内外壁镀层厚实、防锈耐久,口径DN15-DN300,常用于给水、消防、穿线与脚手架工程。
Welded pipe with full hot-dip galvanizing, thick and uniform coating on both inner and out...