Bottle Body Production: 1.raw material → 2.shaping of outer cup and inner tank → 3.welding getter on the bottom piece → 4. copper lining on the surface of inner tank (optional) → 5. welding to join the outer shell with inner tank together → 6. ultrasonic cleaning → 7. vacuum producing (test vacuum 100% first time) → 8. electrolysis → 9. polishing (test vacuum 100% second time) → 10. decoration (painting, powder coating, water transfer, heat transfer printing, laser engraving, silk-screen printing etc.)Bottle Cap/Lid Production: 1. plastic raw material → 2. injection molding → 3. assemblyBottle Assembly and Packaging: 1. confirm packaging requirement per PO → 2. prepare all parts → 3. cleaning dust → 4. inspect parts → 5. assembly bottle body and cap → 6. add sticker or label → 7. on-line 100% inspection → 8. pack into gift box → 9. pack into carton box → Finish
There are more than 100 production processes for a single stainless steel water bottle and it is often the case that an order requires more than 30 days of production lead time from raw materials to final shipment.
Purchasing raw material
Cutting pipe
Water expansion
Cutting
Bulging
Rolling angle
Shrinking bottom
Bottom cutting
Reinforcement
Flatting of the top shell
Bottom punching
Flat-bottomed mouth
Flat tube
Rolling up the corners
Flatting the inner shell top side
Thread rolling
Cleaning and drying
Knock inspection
Joint welding
Water test and leak detection
Matching cup mouth
Welding bottom
Spot welding
Pressing the midsole
Welding inspection of the bottom
Vacuum inspection
Temperature measurement
Electrolysis
Polishing
Inspection and polishing
Pressing the outsole
Decoration of spray painting or powder coating
Inspection of spray painting & powder coating
Laser engraving customized logo
Packaging