Functions：Separating agent → pre-milling → quick melting glue 1 → infrared baking lamp 1 → upper gluing welt 1 → quick melting glue 2 → upper gluing welt 2 → front and back trimming → finishing 1 → finishing 2 → scraping 1 → scraping 2 → cleaning agent → pneumatic polishing 1 → pneumatic polishing 2