Dongguan Changzi Industrial Co., Ltd., established on 2013-12-31, Business scope includes research and development,production and marketing:optical products,electrical appliance,electronic product,lamps,mold,mechanical product,hardware products,air purification equipment,Communication equipment and related accessories;Real estate development and sales;Interior Decoration Design and Construction Engineering;Computer software and hardware development and sales,network system,Communication system research and development,Installation and related technical consulting services;Security monitoring product design,Sales,Install,maintain;Production and sales of crystalline silicon solar cells and modules,Photovoltaic system engineering,Research and development of photovoltaic products,Production,Sales;Diet Management Services,Tourist information consultation service;Import and export,Technology Import and Export.