Qingdao Qianjiu Machinery limited is located in Qingdao, north-east China. Conformity with the ISO9001:2008 the production output of company can achieve 3, 000 tons casting per year. Our products is highly precision in CT8 to CT10, but in very low cost only made by GREEN SANDS CASTING especially in even distributing hardness. Our product looks more sliver than other common iron casting product because of more pearlite in it. Casting specification can usually be within the range of 0.2kg to 300kg. we can cast ASTM, ISO, DIN, JIS, BS, EN all series Alloy cast iron including Grey iron products and Ductile iron products. 95% products were exported to U.S.A., Europe, Japan and others countries. our suppliers are Cameron(USA), Punch(Japan) Finetec Century(Korea) , ETC.