... available Near Port Carbon Steel Casting Our company can produce the products including OEM casting parts, machining parts, machinery ... 3---Trademark: JGQNO. 4---Process: Investment casting, mirror polishing, sand casting, water glass casting, etc.NO. 5---Business Scope: North ... steel, Grey iron, 3 Process Investment casting, Sand casting, Lost wax casting, Mirror polishing 4 Standard GB/ASTM/ANSI ...