Changsha 301 new energy Co.,Ltd located in Changsha city. Headquartered in HongKong : TNA Industry Hongkong limited. 'TNA' is our band. We are a leading hi-tech company which producing LiFePO4 batteries, polymer lithium ion batteries. The biggest advantage of our battery is safe laying in 360 degree which a lot of batteries can not achieve. More technical info are shown in the following pictures. Our batteries are widely applied to E-Buses, E-Cars, E-Scooters, E-Bikes, etc. It features light, large capacity, long lifespan, energy saving and environment friendly with zero pollution.

To meet marketing needs and customer's requests, we expand our business to electric vehicle and ebike kits. Currently, Our e-bikes can meet all marking needs like commuters, racing driver, fast speed, etc.

With the global warming getting worse, with the further intensification of deterioration of environment, people's fear is intensifying . We treat environmental protection as our mission. Devote to regaining 'The New Air' in the world and creating a more comfortable life for all human beings.

We apply ourselves to provide the safest batteries to your needs, to develop the best electric bike according to your idea, to provide all support you need in this filed. We would like to work hard with you to regaining 'The New Air' in the world.