... ASTM, DIN, JIS, BS (As per customer need)Machining and ProcessingHeat treatment, Polishing, Sand blasting, Painting, Electro-plating, ... tester, etc. Quality control: (1) Machinery properties and Chemical components testing after raw casting(2) Hardness checking ... material testing process and quality control system.(9) Quality warranty and on time delivery.(10) Two foundries and one machining factory ...