Shenzhen reachworld Technology Co., Ltd. is a high-tech enterprise engaged in the manufacturing and sales of portable energy storage, battery pack and electric vehicle battery, with independent intellectual property rights and core technology. Tiantongda is a subsidiary of a well-known battery company in China. Headquartered in Zhongshan City, Guangdong Province, China, it has four production bases: Zhongshan (156 acres), Shanwei (300 acres), India and Chongqing, with 6000 employees worldwide.






At present, tiantongda has an annual capacity of 200 million lithium-ion batteries and a design annual capacity of 400 million. With the popularity of energy storage products in recent years, tiantongda has also increased its investment in power batteries and energy storage systems. Tiantongda provides an overall energy storage power supply solution centered on lithium battery, including battery management system (BMS), pack, charger, DC-DC converter, DC-AC inverter and energy storage machine.






With the goal of leading global new energy innovation, tiantongda is committed to finding innovative solutions for power supply with world-class technical quality as the standard. The company has SGS and CNAs Certification Laboratories, and has passed ISO9001:2000, ISO14001, QC080000 and OHSAS18001 certification. Its products have passed CE, RoHS and un38 3 and UL certification. We insist that quality is dignity. We have established a strong sales network at home and abroad and enjoy a good reputation in the industry.