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Caosisi specializing in manufacturing high quality lithium battery new energy proudcts, the main products include inverter, battery tester, solar power inverter, solar controller, pure sine wave inverter, frequency inverter, battery inverter, solar controller and so on. The performance of the products has reached CE, EMC and FCC standards.Eengaging in the business of processing inverter. After two years, we set up a R&D team to research and develop from high frequency modified sine wave inverter to online interactive UPS. Four years later, frequency pure sine wave inverter and low frequency pure sine wave inverter have been researched and developed and we started to open up coastal region markets.Based on the technological innovation to keep our top rank in business. Technological innovation is the key of competitive price, our monthly output reaches more than 60000 sets and there are more than 6 people in the R&D department. As a top innovative enterprise that our annual exports reaches more than 5 million dollars.We think that our success is the trust of the customer and partner which is build on our the products, services, commercial ethics. Since the company has established, we continuously introduce advanced technology and equipment with high precision, which in order to improve our product quality.