... , Bronze, etc. Standard: AISI, ASTM, DIN, JIS, BS (As per customer need)Machining and Processing: Heat treatment, Polishing, Sand ... Copper, Bronze, etc.StandardAISI, ASTM, DIN, JIS, BS (As per customer need)Machining and ProcessingHeat treatment, Polishing, Sand blasting ... my offers, please send me your detailed information such as your drawing and detailed specifications, chemical composition, etc, ...