Processing and sales of solar modules and accessories, photovoltaic junction boxes, aluminum frames and tempered glass products; Sales of silicon wafers; Solar photovoltaic power station project development, design, construction, operation and maintenance services (operated with qualification); Electricity sales (with valid license); Self support and agency of import and export business of various commodities and technologies (excluding commodities and technologies that are restricted or prohibited by the state); Sales of instruments, wires and cables, metal products, plastic products, chemical raw materials (excluding hazardous chemicals) and decoration materials (excluding hazardous chemicals).