... 495mm is rolled to required shape from coil opening machine to forming machine and then is bended and bitten to screw ... material bent in the required curvature, and then the crimping machine to bend with the good material to bite mouth, ... gypsum, carbonates, etc), sludge, biomasses, chemical, plastic products and liquids. High quality Corn silo,Wheat silo,soybean storage silo,feed storage silos