... industry standardStrong engineering team makes high quatliyThe coordinated service(casting,machining and surface treatment) make lower price if ... castBS-Grade 150, 180, 220, 260, 300, 350Electric-furnace smeltingNF-FGL150, FGL200, FGL250, FGL300 3Carbon steel castings ASTM ... castNF-Z6CND18.12M, Z6CN18.10M,Z12C13Shell-core cast Electric –furnace smelting5Alloy steel castings DIN-GS-40Mn5, GS-20Mn5, ...