Chemicals
| Wed 30 Sep 2026
Beijing, Sept. 29 -- Zhejiang Dushan Energy has received a patent for Length Measuring Device for Chemical Fiber Paper Tube. This invention was developed by You Xingqiang, Feng Bin, Shen Weiliang, Chu Dongsheng, Zhu Hongxing, Zheng Wei, Zhu Changbo, Zhang Quanwei, Zhao Bingbing, Tang Xiaokai, Zhu Haiyuan, Zhou Zhongping, Shen Hu..