... . (3) based on customer's design and requirement .1 heavy duty hasp and staple- OEM Materialcarbon steel, stainless steel, steel tube ... alloy and etc.Processstamping, bending, welding, casting, punching, machingSurfacepowder coating, zinc plated, nickel-chrome plated, painting, heat treatment and etcPackingpacked ... to clients requirement. And all assembling part is welcome. heavy duty hasp and staple