Telecom
| Sat 14 Mar 2026
Beijing, March 14 -- Yunnan Power Grid has submitted a patent application for Carbon Emission Accounting System, Method and Device Based on Block Chain Smart Contract and Medium. This invention was developed by Shen Xin, Zhao Yitao, Dong Linlin, Zhang Junchao, Fang Rui, Yang Ming, Li Jiahao, Zhao Dongyang, Li Jin, Ding Tao, Yin ..