I have used Banggood.com many times and will be using them many more times, for the item below it did take a little longer but when I contacted Banggood.com they always got back to me.
On receiving this meter my first thoughts were it looks a quality item and has a very good looking and well made leather case. It is very easy to use and only takes a short time to do the test. I first did a test on my filtered water which showed 78, I then checked the tap water this showed a marked increase with a reading of 101. The meter comes factory calibrated so no messing about doing calibration tests like you have to on some other units. This meter uses a 1 CR2032 battery which cost a lot less than other models that use 3 LR44 batteries. Bob UK.