Produce kinds of aluminum products as per your drawing or sample, aluminum car amplifier shell / aluminum car amplifiers accessoriesmaterial: aluminum 6063surface treament: andozied black and sliver striated.Procedure: cutting, milling, CNC milling, drilling, punching, deburring etc. Precious machining and cutting, length tolerance can be 0.5mm, hole tolerance can be 0.05mm.Customers’ own ...