Construction
| Tue 29 Apr 2025
Beijing, April 30 -- Zhejiang Communications Investment Group Expressway Construction Man Co Ltd has secured a patent on environment-friendly concrete mixing system. He Zhishun, Wang Yiyun, Zeng Rong, Huang Hualong, Chen Feng, Chen Qian, Wang Yong, Cheng Jia, Pan Jiao, Kong Teng, She Shanshan, Zhou Zhihong, Wang Jiayin, Wu Zhimi..