镀锌圆管螺纹管波纹管涵厂家管涵厂家波纹管涵厂家力能波纹管厂家

Steel corrugated pipe镀锌圆管螺纹管波纹管涵厂家管涵厂家波纹管涵厂家力能波纹管厂家s are round, elliptical, semi-circular, etc., and the import and export can also be made into slashes according to the ratio of slopes. The diameter of the corrugated pipes is in the range of , which is 3mm to 7mm thick and can meet the needs of 0.5 M to 40m thick filling.
The specifications and quantities of steel corrugated Guanhan and high strength bolts are measured by length according to the design requirements; And combined with the actual construction needs for procurement. Has entered the Eta cement P.C32.5 R cement 150 tons. Steel bellows 200 meters(1.5 meters in diameter).