QDOS is industry leader in castings and precision machining. Casting process is focus on investment castings and sand casting. Precision machining equipments include Vertical machining center, horizontal machining center and CNC machines. The general tolerance of machining can be 0.02mm.The precision inspection gages, tools and CMM ensure the parts' accuracy. Our products are exported to UK, Italy, German, Holland, Australia, Japan, USA and middle-east countries.
