中山厂区沟盖板 集水井盖 钢格板 广州焊接钢格栅价格

中山厂区沟盖板 集水井盖 钢格板 广州焊接钢格栅价格

Price of Guangzhou welded steel grating for ditch cover and water collecting well cover in Zhongshan plant area

The method of welding and fixing is: on the first flat steel at each corner of the steel grating.

焊缝长不小于20mm，高不小于3mm的角焊。

Fillet weld with weld length not less than 20 mm and height not less than 3 mm.

汕尾金属焊接钢格板 惠州热镀锌钢格栅 钢格栅板焊接牢固质量保证

Shanwei metal welded steel grating Huizhou hot-dip galvanized steel grating welding firm quality assurance