Agricultural
| Wed 08 Apr 2026
Beijing, April 8 -- Danxia Smelting Plant Of Shenzhen Zhongjin Lingnan Nonfemet Co Ltd has received a patent for Mixing Device of Extraction Box for Copper Extraction. This invention was developed by Wang Gang, Zheng Lili, Li Xianwen, Liao Wenxun, Hu Shaoling, Mo Shaobin, Ouyang Jian, Luo Tingwei, Qiu Xunming, Huang Peipei and L..