... experiences of investment casting Description:1. Name: Alloy steel construction machinery part 2. Technology: casting 3. ... part ItemDescriptionProduct Class:Investment castingMaterial: Copper, Stainless steel, Carbon steel, Alloy steel such as 304, 316, 25#, 45#, ... , composite casting & silica sol castingMachining Equipments:integral CNC machineries & four machining centers, such as milling, broaching, ...