... can be nego Investment-Casting 1) Materials: grey iron, ductile iron according to customer's standard 2) Standards: ASTM, ... , metal processing, finishes and heat treatment 6) Product weight: 0.5 to 300kg 7) Precision machining: CNC lathes ... accessories, counterweight, iron, construction machinery parts and other industry machinery parts. Dalian Leading Metal Ltd welcome you. iron sand casting parts