... -rust -Waterproof -high precision with machining -Various finish treatment bath drainBasic information of this aluminum casting bathroom ... , CNC milling, threading, tapping, drilling etc. c) Quality control equipments: Three-coordinate measurement instrument, RoHS testing machine, ... coating, painting, polishing + grinding , UV.l Superior quality and wide application of material: ADC12,ADC10,A380,A360, ...