Spiral Steel Pipe ZHEJIANG BESTSUPPLIERS IMPORT & EXPORT CO., LTD. Base Info Section Shape：RoundUsage：Chemical IndustrySurface Treatment：NoTechnique：Hot RolledType：SeamlessTrademark：QIANYIOrigin：China Description Pre：Roofing Material Hot Dipped Aluzinc Coated SGLCC Galvalume Steel Coil Next：Galvanized Carbon Mild Steel Coils
