... : stainless steel casting, carbon steel casting, alloy steel casting3. Certificate: DIN, AISI, ASTM, BS, JIS, ect4. Heat Treatment, polishing, plating, machining, ect.5. Application: Industrial ... parts, Machinery parts, hardware, construction parts, valve/valve parts.stainless steel castings, steel investment castings, stainless steel gear boxes, 304, 316 ...