Production, sales, and research and development: environmental protection facilities and equipment, gas water heaters, range hoods, small household appliances and accessories, hardware and plastic accessories; operating and acting as an agent for the import and export of various commodities and technologies (except for commodities and technologies that are restricted by the state or prohibited from import and export, and those involving licenses must operate with a valid license), (excluding items prohibited by laws, administrative regulations, and decisions of the State Council or that require permission). 〓