... Co.,Ltd is a leading China alloy steel casting manufacturer and supplier, as a professional alloy steel casting company, we ... /E, auto CAD, solid works 2007, CAXA, UG, CAD, CAM and CAE 8. Further machining works: precise CNC machining or turning ... , cutting, milling, grinding, drilling, reaming and threading 9. Categories: pipe fitting, building hardware, construction, instrument ...