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Qingdao Zhaoyuqi Machinery Co., Ltd was founded in 2005.It’s located in Qingdao city and can arrive qingdao port within one hour. The factory is specialized in OEM casting service more than 15 years.The main materials are ductile iron and gray iron. 95% of goods are exported to USA and European market. Mold Techonoloy are sand casting( fully autometic vertical modeling line),lost foam casting and Manual production. The sand casting include clay sand casting(green sand casting)and precoated sand casting(shell mold casting). Our capacity is 6000-8000tons yearly.
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Ductile iron material

Ductile iron is a kind of high-strength cast iron material developed in the 1950s. Its comprehensive performance is close to that of steel. It is

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