disposable insulin pen for plastic

Disposable insulin pen (Quantitative)
1.Material: special European imported environmental protection plastic.
2.High precision injection molding screw; Stable injection; Accuracy error is only 3%
3.Dosage adjustable from 1-60U. Min. dosage 1U.
4.one-direction dose adjustment to ensure safety. Device reset automatically and self locking while injection finishes.
5. suitable for both injection needles and injection pens, easy to replace.
6. suitable for 3 ml card bottle potting medicine liquid injection
7. can be used 100 times at least, easy to operate.
8. suitable for insulin injection
9. cheap factory price, OEM service is available