1. Shell processing process
Outer pipe picking—pipe cutting—bulging—segmentation—bulging—rolling corners—bottom reduction—bottom cutting—rib punching—flat upper opening—bottom punching—flat bottom opening—cleaning and drying—inspection and knocking pit—qualified shell
2. Inner Shell Processing Process
Inner pipe picking—pipe cutting—flat pipe—bulging—rolling upper corner—flat upper mouth—flat bottom mouth—thread rolling—cleaning and drying—inspection and knocking pit—butt welding—water test and leak detection—drying—qualified liner
3. Outer shell and inner shell assembly process
Matching cup opening—welding port—pressing midsole—welding bottom—inspecting welding port welding bottom—midsole spot welding getter—vacuumizing—temperature measuring—electrolysis—polishing—temperature measuring—inspecting polishing—pressing outsole—painting— Sampling temperature inspection—painting inspection—silk printing—packaging—finished product warehousing
