17768005301
1.Product design is in line withGB/T3325-2008General technical conditions for metal furniture;
2.The product is used with high quality cold rolled steel sheets, and the steel sheet is compliant.GB/T708-2006Size, shape, weight and allowable deviation of cold rolled steel plate and steel strip;
3.Surface phosphating process and quality standards are in line with "GB6807-2001Technical conditions for precipitation precipitation treatment of steel workpiece;
4.Surface spray materialGB-1720,1732,1734standard.