Generally, the needles of blood collection pens are universal, and the pain is almost the same. Only Roche’s blood collection pens are patented products, unique and have the least pain. You can buy Roche blood collection pens and imported Roche needles. I basically It's reuse. Two boxes of needles will last almost a year. On the 16th floor, I asked about the new model of Sannuo. I have used it and compared it. The stability and accuracy are not as good as the old model of Sannuo. The reputation is not as good as the old model. View original post>>