Intelligent basic manufacturing equipment manufacturing; intelligent basic manufacturing equipment sales; diving and rescue equipment sales; underwater systems and operation equipment sales; mechanical equipment sales; forest fire prevention services; building materials sales; fire protection technical services; fire protection equipment sales; mechanical equipment leasing; pump and vacuum equipment sales; security equipment sales; lighting fixture sales; electrical equipment sales; electronic product sales; emergency rescue services; fireproof sealing material production; fireproof sealing material sales; metal product sales; recreational boats and sports boats sales; lighting fixture production special equipment sales; generator and generator set sales; insulation material sales; mechanical and electrical equipment sales; electrical equipment sales; intelligent unmanned aerial vehicle sales; hardware product retail; rubber product sales; flood control and drainage facility management; special equipment sales; labor protection supplies sales; labor protection supplies production; security equipment manufacturing; specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); metal processing machinery manufacturing; general equipment manufacturing (excluding special equipment manufacturing); intelligent vehicle-mounted equipment sales; automotive parts and accessories manufacturing; safety and fire protection metal product manufacturing; special operation robot manufacturing; industrial textile fabric manufacturing; plastic product sales; hardware product manufacturing; metal material manufacturing; clothing manufacturing; diving and rescue equipment manufacturing; offshore wind power related equipment sales; marine supporting equipment manufacturing; water transport equipment parts manufacturing; mechanical equipment research and development; general mechanical equipment installation services; hardware product research and development; plastic product manufacturing; water transport equipment parts sales; ship automation, detection, and monitoring system manufacturing; glass fiber reinforced plastic product sales; rubber product manufacturing; industrial textile fabric sales; building decoration material sales; building decoration, water supply and drainage pipe fittings, and other building metal product manufacturing; metal material sales; marine engineering equipment sales; marine engineering equipment manufacturing; ordinary open-air amusement park amusement equipment sales; automobile sales. Permitted projects: Road motor vehicle production; ship design; non-metallic ship manufacturing; ship manufacturing; ship modification; special equipment manufacturing; special equipment installation, modification, and repair.