get a concrete floor coating on the roof of the building. cold room floor coating crack proof, mold proof and fiberglass waterproofing. get metal coating coating industrial pipes and metal tanks with frp lining.

selling round sand, no center hole, size to order (please inquire) the factory has a specific mold that can make the size that the customer needs, such as 2 inches, 3 inches, 9 inches, etc.