Established in 1945, Fronius has worked intensively with the solar industry since the 1990s. It is the best solar inverter of Clean Energy Reviews 2021 and the winner of Energy Storage Inspection 2021, Smarter E Award 2020 and Intersolar Award 2020. Fronius has been a family-owned business in Austria for 75 years, which is stable and reliable with a “Made in Austria” quality promise.

For more information, visit Fronius’s official website


Founded in 1997, SUNGROW is a top 100 global new energy enterprise that accumulated over 182 GW of installed inverters worldwide. It joined RE100 in 2020 to source 100% renewable energy by 2028.

For more information, visit SUNGROW’s official website


Established in 2010, SOLAX Power is the top 1 of the Zhejiang Province Science and Technology Progress Award of 2020. It won Red Dot Award Product Design 2021 for X-ESS G4 Energy Storage System, and it is the first Japan S-Mark Certified Energy Storage System.

For more information, visit SOLAX’s official website

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