Founded in 2005, Guangzhou Sanjing Electric Co., Ltd (SAJ) is one of the largest global inverter specialists for renewable energy conversion, transmission and storage. It supplies grid connection inverters (0.7–60 kW), hybrid inverters, retrofit kits and monitoring platforms. In 2017, the company enjoyed a 24% market share of China’s residential PV market and was ranked among the Top 10 global manufacturers of residential solar inverters by IHS. In 2019, SAJ achieved 25% of the market share for residential storage inverters in the Australian PV market. Its latest product range, the R5 Series rooftop grid connection solar inverter, won the TÜV Rheinland “All Quality Matters” Award for the PV Inverter for Home Use Category in 2019. SAJ has now launched this product range in Spain to respond to the different needs of the solar market.