Supplier: 1. automatic battery pack assembly line (bms tester,cells internal resistance tester,cells capacity tester,cells sorting machine,manual/automatic spot welding machine,battery pack integrated tester,battery pack charging&discharging cabinet and etc), 2. power battery pack machines , 3. polymer battery making machines, 4. mobile phone battery assembly machines, 5. power bank assembly line , 6.disposable medical mask making/n95 mask making machine 7. injection molding machines, etc.