... casting ,precision casting, lost wax casting ,soluble glass process complex shell process.Materials: stainless steel ,carbon ... , turning, milling, drilling, thread cutting.Surface treatment: glass rays electrolytic polishing, coating, varnishing, bromzing. Passivating, ... ray spectrometer. 3-coorcdinate. Computerised numerical. Control measuring ,machining ,pressure inspection up to 200bars ,mechanical ...