Fengri, as a professional one-stop power supply solution provider, was established in 1982. After 40 years of accumulation in R&D, we’re fully experienced in customized lead-acid batteries and lithium-ion battery packs which widely applied in various industries. More than 70% of the subways and over 85% of the trains in China running with our batteries and power supply, Fengri has always been a reliable and long-term partner for State Grid Corporation of China (SGCC). Furthermore, we own 80 domestic & 3 international patents, and strictly carries out ISO 9001 and ISO14001 system. We can customized solution could be provided based on your requirements.