Our factory has been officially ISO 9001:2015 certified. Our quality assurance is built into each manufacturing process including melting, casting, machining, finishing, etc. The casting and the machined parts are properly inspected by the division managers and the independent inspectors in each manufacturing process to insure the quality meet the required standard. Our inspection equipment including Mitutoyo Coordinate Measuring Machine, Flatness Comparator, Parallelism Tester, Concentricity Tester, Height Gage, Spectrometer, Hardness Tester, Leaking Tester and etc.