Consumer Electronics
| Thu 16 Apr 2026
Beijing, April 17 -- Yimei Group Xinan County Yunding Coal Ind Co Ltd has obtained a patent for pipeline cleaning device for air source heat pump water heater. This invention was developed by Wang Hongtao, Wang Mian, Zhang Guangwei, Cui Feng, Dang Junchao, Guo Kai, Xie Wanli, Chen Xinwei, Han Haoju, Chen Qingjie, Chen Xiaowei, X..