PUMP POWER Technology CO., LTD located in Shenzhen China, was established in 2014, focus on the research and innovation of distributed energy solution, since 8 year development, PUMPOWER has become one of the leading solution provider, in solar inverter and solar energy storage industry, main products including energy storage battery, solar inverter, micro inverter and all in one energy storage system. As OEM/ODM expert, products sold in more than 70 countries, the product quality and lifetime has been proved very reliable. Pumpower invest every year about 10% of annual turnover in R&D, in 2021 invested 0.3million usd in our testing center, now the fully facilitated testing center, got CNAS certified and also became Dekra witness lab, it helps the product quality can be very well verified during design phase. And new technology application can be verified very carefully at very beginning.