... cylindrical type (AA, AAA) carbon, alkaline battery, 9V (6F/22) battery, rechargeable battery and various kind of batterys welding,packing and ... very important role in the market of environmentally friendly battery.Since the founding of THUMBCELLS, it strictly complys ... widly applied to wristwatch, computer, music card, electronic toys, camera, medical instruments, shoes lamp, thief alarm, remoter and ...