OEM mini 300mAh 3.7V lithium ion battery, ultra thin rechargeable lithium polymer battery
Huizhou Tonsim Electronic Co., Ltd. is a subsidiary of Hong Kong Etonsim Company. Advanced technology was
introduced to our headquarters in early 2013, and set up Huizhou Tonsim Electronic Co., Ltd. in 2013. Meanwhile,
Tonsim specializes in the development, production, sales of electric unicycle and LP battery.With strong technical
strength, advanced management concepts and perfect marketing system. All our productgot CE, ROHS, EMC,
FCC, ECC-ID etc approvals. We keep pushing out new products featured with better quality
and services in such a fierce market. All our the effort have solid foundation for the development of the company,
and the establishment of good brand image.