We are the sole agent of the product Hanna Instruments is engaged in a liquid measuring devices.
In addition to Hanna Instruments brand we also sell a range of laboratory products.
Our products usually used for the treatment of drinking water, fresh water and waste water.
  
   For more detail it can directly contact me at + 62 857 1942 8633 or + 62 21 606473 66
  
   email me at septian.hannainst@ gmail.com

https: / / www.youtube.com/ user/ HannaInc