establish files for product technical details, and operate the machines strictly following the instructions; technical trainings; regular maintenance.

1. Complete and regular disassembling and cleaning;

2. During cleaning process, pay more attention on protecting the die lip and the flow channel from any damages;

3. NEVER use any hard tools to clean the channel and the sealing areas;

4. Electrical equipments checking;

5. Sealing plate checking;

6. Fastening screws checking.