Electronics
| Sat 25 Jan 2025
Beijing, Jan. 25 -- Suzhou Gold Mantis Constr Decoration has been granted a patent for double-spigot closed sound insulation design structure of wooden door body. Xue Hanlin, Ye Yongsheng, Shentu Pingfei, Zhang Qinghai, Zhou Qi, Fan Yi, Ma Yun, Li Yafeng, Yang Chun, Wang Zhijin, Sun Chong, Chen Kangnan, Guo Chenxi, Zhang Tingsen..