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hina Precision casting-lost wax casting-Dalian Zhonghao Precision Casting Co., Ltd. located in Dalian, Liaoning province, China,covers 8,000square meters,annual output value 2.8 million USD,has 5 casting molding engineers, 50 technicians and 70 employees. We can cast various grades of low carbon steel, low alloy steel, heat resistant steel, stainless steel, tool steel with advanced silica sol-water glass composite shell technology. According to different casting structures, the linear toleranc