Casting Process:Resin sand casting line or "V" method casting line Dimension Tolerance: CT9 Surface Roughness: Ra6.4~12.5 Casting Weight: 300-2800 KG Standard: ASTM, AISI, DIN, BS and JIS certificate:ISO9001 and AQA Total Capacity: 6000T/month Material:ductile iron, gray iron etc.