rate: 25Yuwell 580 strip and needle
I just received Yuwell 580 strip and needle from u. This is my 2nd time purchase.
I realize your strip is not working. When the blood drop on the trip .. it's don't show the result. No number show.
I suspect the strip could be some problem.
I bout 100 pcs
Pls do reply meOct 13, 2018