Engineering
| Thu 09 Jul 2026
Beijing, July 9 -- State Intellectual Property Office of China has awarded a patent to Southern Power Grid Green Energy Technology (Guangdong) and Southern Power Grid Industry Invest Group Co Ltd for Outdoor Ring Main Unit with Protection Structure. Zang Feifei, Zhou Wu, Sun Wen, Huang Guodong, Liu Yanjun, Mei Chenglin, Chen Wei..