The custom precision cnc turning parts were made by NC lathe, which were used in the field of auto. The materials include brass / copper / aluminum / steel / stainless steel, and the finish includes nickel plating, anodizing, blackening, polishing, etc.. Precision cnc turning spare parts is our main sector, we have over 50 different NC lathes. JST has made a lot of precision cnc turning auto parts, we have got TS16949 certification in 2018. For these custom precision cnc turning spare parts, the diameters are from 1mm to 300mm. If you have any demand for custom precision cnc turning auto parts, please do feel free to contact us for quotation.