... 7 years, with two foundries and one machining factory, always supply good quality and pretty competitive price to customer worldwide ... ASTM, DIN, JIS, BS (As per customer need)Machining and ProcessingHeat treatment, Polishing, Sand blasting, Painting, Electro-plating, ... pressure tester, etc. Quality control: (1) Machinery properties and Chemical components testing after raw casting(2) Hardness checking ...