General Projects: Architectural decoration、 Manufacturing of plumbing pipe parts and other metal products for construction, Metal product research and development, General valve and plug manufacturing( Excluding special equipment manufacturing),Valve and plug development, Valves and plugs sales, Metal material sales, Information consulting services( No licensing information consulting services), Socioeconomic consulting services, Hardware product manufacturing, Hardware wholesale, Hardware product research and development。( In addition to licensing business, Able to independently operate projects that are not prohibited or restricted by laws and regulations)