... tolerance 3.Precision 4. Accuracy 5.Innovative designs Casting and mould We can design many kinds of metal casting products ... ,stainless steel,alloy steel etc.2,Process:Colloidal Silica Technology investment casting, die casting, sand casting, precisinon casting, fabrication ... includes various including welding,machining parts,impeller, ball valve and so on.If you are interested in our products,please ...