cold-finish
1.Non-pollution,The pump body is made of polyvinyl chloride (pvc)plastics,and the onter cover is of cold-rolled steel plate with backing finish.
3.Intermediate frequency furnace—Continuous casting billets—Heated by heating furnace—Rough rolling—Head and tail end cutting—Intermediate rolling—Head and tail cutting—Finish rolling—Water cooling treatment—Multiple-length cutting and dividing—Cooling on the cooling bed—Cutting-to-length by cold shear—Collecting and bundling—To warehouse.

