Shenzhen MaoRun Electric Co., Ltd Established in December 2003, Shenzhen MaoRun Electric Co., Ltd (former named Shenzhen Maorun Technology CO.,LTD.) is a large-scale enterprise, dedicating itself to R&D , manufacture and sales of electronic products. More than 90% are exported. We involve in such fields as automobile electronics,environmental protection products,solar products,computers,home appliances,and communications.At present, specializing in the development of automobile electronics and power supplies, we had already successfully researched,developed and manufactured several series of automobile power inverter,step-down converter,car charger,MP3..