... :anneal, quenching, normalizing, carburizing,polishing, platingMachiningCNC and NC machining, turning, milling, drilling, boring, threading, grinding machines ... System Certified and CE/PED Certified by TUVOEM parts according to customers' requirements:sample or dwg( ... , etc. Pack & TransportAfter rust prevention, pack the parts into plywood or iron case for transportation. cnc precision casting part