--- Feature ---
1. Specifications for the various screws.
2. the glue will evenly dispensing inside the screw
3. the postion adjustiment convenience.
4. the dispensing end can as your reuqire to adjustable.
5. Speed is quickly, high efficiency and stability uniform coating.
6. Quantitative high accuracy, long life
7. Easy to operate, can easily to know how to operation.
8.Large supply device, saving time reloading