Chemicals
| Wed 20 May 2026
Beijing, May 21 -- Science Env Co Ltd has submitted a patent application for Method for Continuously Preparing High-purity Sodium Sulfide from Sodium Hydrosulfide. This invention was developed by Liu Yongfeng, Jiang Guomin, Zhu Shun, Cheng Wei, Hu Ming, Zhang Wenjie, Ma Dongming, Zhou Wenfang, Zheng Haibin and Xu Zhaoguang.
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