Guangdong Yijia Technology Co., Ltd.

Pioneering BMS & Battery Technology, Reliable Green Power Globally

E&J have complete in‑house production capacity to deliver professional OEM and ODM services. Our in‑house R&D team masters independent hardware and firmware development, including BMS solution design, battery pack structural customization, firmware programming and full‑set reliability & performance testing. Covering project requirement analysis, scheme validation, prototype development to mass‑production delivery, we are capable of developing tailored solutions for diverse application scenarios, turning your concepts into qualified finished goods with stable quality and competitive cost.

In our assembly workshop, each process is clearly divided with standardized workflows. We manufacture smart BMS units and balancers, and provide complete battery‑pack assembly services. Equipped with standardized testing stations, we carry out performance verification for finished products. Component assembly, battery‑pack build‑up and performance testing are all completed in‑house to ensure stable and reliable product quality.

Our team focuses on technical iteration and product development for BMS and battery‑power systems. Our professional hardware and software R&D team undertakes circuit design, firmware programming, functional verification and reliability testing. We conduct new‑product development, solution evaluation and custom‑project research according to market and client requirements. Continuous technical optimization improves product compatibility and stability, delivering solid technical support for diverse energy storage and power‑supply applications.