HuaGuang won the first prize in the first high-value Patent Competition in 2022 News June 18, 2022/by Tuo https://hgzzcl.cn/wp-content/uploads/2020/02/hg-logo.png 0 0 Tuo https://hgzzcl.cn/wp-content/uploads/2020/02/hg-logo.png Tuo2022-06-18 09:23:422024-05-17 09:25:17HuaGuang won the first prize in the first high-value Patent Competition in 2022