Power generation business, power transmission business, power supply (distribution) business; packaging and decoration printed matter printing; documents, information and other printed matter printing general items: forgings and powder metallurgy products manufacturing; forgings and powder metallurgy products sales; non-ferrous metal rolling processing; non-ferrous metal alloy manufacturing; non-ferrous metal alloy sales; solar power generation technical services; solar thermal power generation product sales; photovoltaic power generation equipment leasing; engineering management services; information system integration services; new material technology research and development; new material technology promotion services ;Technical services, technology development, technology consultation, technology exchange, technology transfer, technology promotion; auto parts and accessories manufacturing; auto parts and accessories retail; motorcycle parts manufacturing; motorcycle and spare parts retail; household appliance manufacturing; household appliance parts sales; pneumatic and electric tool manufacturing; pneumatic and electric tool sales; paper product manufacturing; paper product sales; plastic product manufacturing; plastic product sales; productive scrap metal recycling; import and export of goods; import and export of technology; energy storage technology services