... etc.2. cover is blacken finishing,3. machining parts of Microscope Chengdu Khons Trading Co., Ltd.--High ... ServicesCNC Machining parts, CNC milling and turning parts , CNC milling parts, CNC lathe turning parts, grinding parts, stamping parts, casting and forging parts, assembly service ... , Silk printing and many other treatment of the parts.4.Quality Assurance IPQC inspect each during every step ...