Latest News

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  Low cost and stable fluoride removal / fluoride removal intelligent dosing control system2020/09/16

  Changlong began to set up a team to engage in research on fluoride removal technology in the second half of 2017. The research and development team of stable and up-to-standard fluoride removal technology consists of 3 post-doctors, 4 masters and dozens of technical engineers. Aiming at the goal of ......

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  Ferrous sulfate used as fertilizer in crop growth and agricultural application2020/10/27

  Potassium sulfate is a non-chlorine water-soluble potassium fertilizer, and it is an important way to supplement potassium and sulfur in tobacco, grapes and other economic crops.