ZhengRong machine shop which is a professional machine shop which is targeting precision machined parts. We have been providing custom machined parts from 1pcs to 10,000 pcs with short lead time and also good price. As a outstanding precision machining China company and CNC machined parts supplier, we have served plenty of clients from Japan, Europe,North America since 2005. Material we use normally is AL, Brass, Aluminum bronze, any steel.Process finish: Clear Anodize, Passivating, Zinc, Black Oxide, Eelectroless nickle, Electro polish, etc. Feel free to send me drawings for quote at any time, we will get back to you within 24 hrs.