• JHH is listed as Zhuhai Sea Water Treatment and Comprehensive Application Engineering Technol
  2018-08-08

• Summary: various sewage treatment commissioning technologies
  2018-01-05

• Warmly celebrate the successful listing of Zhuhai JHH Water Treatment Technology Co., Ltd. on the Ne
  2016-11-11

• 2016 fire safety training
  2016-08-31

• Chemical classification of natural water
  2016-08-30

• Unexpectedly, he is the one who makes the most desalination in China!
  2016-04-30

• Is there any relationship between stones and calcium in water?
  2016-03-16

• What are COD and BOD
  2016-03-16