High Precision Engine Part 1.Material:Brass copper 2.Tolerance:0.01mm 3.Certification:ISO9001 4.Good Quality and Servise Company Capacity: ... Factory facilities: CNC horizntal boring and milling machine,,Surface Grinder,wire cutting,Milling Machine,CNC Lathe.3).Finish: nickel plating, ... individual requirment ,the enginer will give the best process for cost saving and time.(7) Different kinds of finish ...