Engin Prefilled Syringe Our company first and most advanced assembling line of prefilled syringe in china. Prefilled syringe is the new third generation of syringe. The prefilled syringe is the most advanced packaging material for biological drugs such as pharmaceutical packaging injection and lyophilized pharmacy or vaccine. The syringe has many better performance than other syringes. It is safe to use,free of sterilization, low cost, high utilization rate of the drugs. Due to the above listed advantages, syringe has been treated as the best pharmaceutical packing materials in the world.