Glass Syringe, Prefilled Syringe, Injection Pen manufacturer / supplier in China, offering 3ml 60u Disposable Insulin Pen for Daily Use, High Quality Disposal Syringes 1ml, 3ml Glass Syringe Lure Lock or Slip, Single-Dose Insulin Pen for Home Use Easy with 3ml Sterile Prefilled Cartridge and so on.