General Projects: Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Marine Services; Marine Environmental Services;Marine engineering equipment sales; Sales of ocean energy systems and equipment; Extraction of marine bioactive substances、 purification、 Synthesis technology research and development; Sales of marine water quality and ecological environment monitoring instruments and equipment; Offshore engineering design and module design and manufacturing services; Natural ecosystem protection and management; Asset Valuation; Environmental emergency management services; Water environment pollution prevention and control services; Water conservancy related consulting services; navigation、 Surveying and Mapping、 Sales of meteorological and oceanographic instruments; Geographic Remote Sensing Information Services; Ship repair; Ship Sales; Ship leasing; Aquatic product retail; Aquatic Products Wholesale; Production of agricultural products、 Sale、 Processing、 transportation、 Storage and other related services; Aquatic product acquisition; Engage in investment activities with own funds; Engineering and technical services( Planning Management、 Survey、 design、 Except supervision); Livestock and fishery feed sales; Feed additive sales; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Fishing machinery sales; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Sales of special instruments for agriculture, forestry, animal husbandry and fishery; Comprehensive utilization of agricultural, forestry, animal husbandry and fishery waste; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Sales of Class II medical devices; Sales of Class I medical devices; Class I medical device leasing; Electronics sales; Machinery and equipment sales; Sales of teaching models and teaching aids; Disinfectant sales( No hazardous chemicals); Sales of labor protection products; Security equipment sales; Instrument sales; Sales of special packaging equipment; Special equipment repair; Fishing gear sales; Sales of building decoration materials; Synthetic material sales; Fishing machinery services; Fishery professions and auxiliary activities; Smart agricultural management; Agricultural machinery services; Agricultural and horticultural services; Agricultural scientific research and experimental development; Agricultural professions and auxiliary activities; Technologies related to agricultural production and management、 information、 Facility construction and operation services; Engineering and technical research and experimental development; Information consulting services( No licensing information consulting services); Conference and Exhibition Services; Internet sales( Except for the sale of goods that require a license); Software Development; Domestic trade agent; Data processing and storage support services; Import and export of goods; Technology import and export; Import and export agent; Food sales( Only pre-packaged foods are sold); Food import and export( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Surveying and mapping services; Construction Engineering Survey; Class III medical device operation; Pharmaceutical wholesale; Medical Device Internet Information Service; Disinfection equipment sales; Aquaculture; Artificial reproduction and release of fish resources in natural waters; Import and export of aquatic seedlings( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)