Zhejiang Sandi Electric Co. Ltd is an international PV enterprise which is located in the ,capital of China”s electrical appliances Wenzhou. Specialized in the new energy source and electrical source scientific research development, manufacture and service had surpasses for 15 years.br grid-connected inverter off grid inverter, pure sine wave inverter solar pump inverter, PV array combiner box solar charge controller, wind-solar hybrid controller single phase to three phase converter and etc products.,brSandi is recognized by widely customers according to entirely varieties> high quality and service first. The RD and engineering technicians have multi-year experiences in product design& product implementation engineering service and can manufacture the solar energy generation products with the international competition capability reaches advanced level in the world, our product have passed CEEMC(LVD) SAAAS4777(AS3100) G831 G59, VDE ARN 4105 and ISO9001 certification and approved by international standard.br