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Erayak Power Solution Group Inc engages in manufacturing, research and development, and wholesale and retail of power solution products. Its product portfolio includes sine wave and off-grid inverters, inverter and gasoline generators, battery, and smart chargers, and custom-designed products. It derives the majority revenue from four products namely inverters, chargers, power bank, and gasoline generators. The company generates the majority of its revenue from Inverters. The company geographically operates in China, Australia, Poland, U.K., and Germany. It derives maximum revenue from China.
Advent Technologies Holdings Inc is an innovation-driven company in the fuel cell and hydrogen technology space. The company develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. It serves automotive; aviation and power generation industries. It generates revenue from the sale of fuel cell systems and the sale of MEAs, membranes, and electrodes for specific applications in the fuel cell and energy storage (flow battery) markets.