... rust -Waterproof -high precision with machining -Various finish treatment bath drainBasic information of this aluminum casting bathroom accessories : Die ... coating, painting, polishing + grinding , UV.l Superior quality and wide application of material: ADC12,ADC10,A380,A360,A356,A413 ... partsStamping partsProduct design & PrototypeMachining & Surface finish treatment Bath drain and bathroom hourglass