Shenzhen Yaqi New Energy Co Ltd, professional smart and green energy solution provider, with over 10 years of design and R & D experience, provide solar energy solutions 600W to 250KW - have award ISO 9001, International Standard Certificates with Test Reports of CE, VDE, IEC, EMC and so on. Yaqi Energy with the professional R & D team, 50 hardware and software engineers of ID, Structure , PCBA, BMS , APP development. Energy system management of own SGS certified Lab.We are sure our high quality products, competitive price and the perfect service, would be the best and satisfactory choice for you.Here, we sincelely hope to establish the long friendly business relationships with your esteemed company. If you have any inquire and requirement, please do not hesitate to contact us, we will do our best follow up, thank you very much.