ISO certificated water sensors instruments testing machines company, R&D, and manufacturing water monitoring sensors.Will be audited every year! A trustworthy manufacturer!probest@probest.cnwww.probesti.com

PUVNO3-900 Application of Nitrate Analyzer Background:Nitrate nitrogen in water is the most stable nitrogen compound in various forms of nitrogen-containing compounds such as nitrous nitrogen and ammonia nitrogen in an aerobic environment.

As now there is currently no vaccine to prevent coronavirus disease (COVID-19). However, The effect of Chinese traditional medicine is still good. Please do improve our healthy power.

Dear Customers,Kindly informed that our company is scheduled for the 1day New year holiday (Jan.1, 2020), and then 12 days holidays. Happy New Year! All best wishes from Fuzhou Probest Water sensors manufacturer. And the holidays are from Jan.20 to Feb. 1, 2020 (Saturday) for Chinese New Year

The Chinese Environmental Expo in Guangzhou exhibited from Sep.19 to 21 in Guangzhou exhibition trade fair hall. This expo’s main theme is “innovation serves the industry and to fully assist the development of the industry".