1. The mixing chamber is constituted by twin screws and atomizing system. The filling seal is adopted for ends of shaft to improve tightness and prevent from leakage;
2. Specially designed discharger has big door-opening angle and quick discharging with little residue;
3. Good tightness and no leakage;
4. Pneumatic or electric driven discharging is used with correct, stable move and good tightness.