Retail & Household
| Tue 07 Jul 2026
Beijing, July 7 -- Harbin Boiler Co Limited has submitted a patent application for Once-through Boiler Nozzle Swing Mechanism and Swing Method. This invention was developed by Su Yiming, Zhuang Delong, He Xin, Song Jianzhe, Yu Zezhong, Wang Weixin, Tao Lin, Xue Tong, Lai Yu, Zhang Tianwu, Wang Xianshan, Gu Weilun, Zhang Dan, Liu..