Your needle is gone, and the Mona Lisa's test paper must be gone. Blood glucose test paper and blood glucose meter are the same model, so it is more safe to buy things in professional places. Roche has two kinds of needles, some of which are cheap and use domestic blood collection needles. In Beitai Branch of Rehabilitation Home (200 meters south of Beitaizhuang Bridge), their needles are imported, and only blood collection needles are good.
In order to realize painless blood collection