宁夏西安直径1000mm2000mm3000mm热镀锌金属钢波纹涵管

ddress: Binhu New District,宁夏西安直径1000mm2000mm3000mm热镀锌金属钢波纹涵管 Hengshui
Specially supply corrugated pipes, threaded pipes, passive protective nets, active protective nets, and assembled culverts.
3
Metal bellows and steel bellows of highway culverts are suitable for the following five construction sites
Metallic corrugated Guanhan is suitable for pulling soil in bitter cold, moving soil on simple sidewalks, moving soil in the empty mining area of coal mines, water destruction, and door hole repair.