Retail & Household
| Thu 16 Oct 2025
Beijing, Oct. 16 -- Henan Xinlianxin Intelligent Equipment Tech Co Ltd has submitted a patent application for Pulverized Coal Bag Type Filter. This invention was developed by Li Shuangben, Li Junqi, Yu Dan, Shi Yanmei, Zhang Yuanyuan, Liu Kun, Liu Heng, Ba Hongru, Zhang Donglin, Niu Ziwen, Wang Jing, Liang Yanan and Jia Yulei.
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