Gear box Material:GG25 materil:cast iron,aluminium Experience:more than 25 years Gear boxMaterial:GG25A;Material:ductile iron casting,GGG40/50/ ... Casting 5Min Tolerance0.05mm 6Productioncapacity0.5-5000kg 7surface treatmentPowder coating,Painting,Spraying,Galvanization8SizeDN32-DN2000 9StandardJIS,ANSI,DIN,GB,BS 10Pressure gear ...