Sanitation
| Fri 06 Nov 2026
Beijing, Nov. 6 -- State Intellectual Property Office of China has awarded a patent to Yongzhou Redrying Factory Hunan Tobacco Redrying for Fire Early Warning and Emergency Disposal Device for Stacked Objects. Xu Wei, Chang Yijun, Zhou Shunfeng, Ou Yangming, Zhang Yihua, Xu Jianhui, Zhang Wei, Hu Yaning, Tang Jianjun and Huang B..