Since we first entered the campus, we have been exposed to a variety of writing pens, including pencils, ballpoint pens, pens, etc. We believe that we are no stranger to these pens, and the insulin injection pens that are now widely used in medicine seem to be The two objects that are completely incompatible with each other have a very subtle connection and combination. This pen-type syringe with insulin solution has created a precedent for "injection pen" medical devices.
Supplier: Writing instruments
Buyer: Writing instruments