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- 天恒汽车半轴有限公司中润内燃机制造有限公司。Zhongrun Internal-Combustion Engine Manufacturing Co., Ltd.
- 天恒公司与清华大学机械工程系联合研制的覆膜砂结壳性能测定仪进入最后调试阶段!Film laminating sand crust capacity testing instrument researched by Tianheng Company and mechanical engineering department of Tsinghua University enters into final debugging period.
- 天恒公司与清华大学机械工程系联合研制的SMT-3型砂多功能测试仪被评为山东省优秀新产品!SMT-3 type sand multifunction testing instrument researched by Tianheng Company and mechanical engineering department of Tsinghua University is awarded as excellent new product by Shandong.