Tianjin Tianyuanhai Technology Development Co., Ltd., established on 2008-12-16, Business scope includes steel structure design,technology development,manufacture,Install;Pressure Vessel Manufacturing(Operate after obtaining the license from the special equipment safety supervision department);Port navigation mark layout;Navigation mark facilities and navigation mark layout engineering technical services,technical consulting,Technical Design and Technical Research;Aids to navigation facility maintenance and maintenance;car,Machinery and Equipment Leasing;Conference Services;Communication equipment,Surveying and mapping equipment,Navigation mark facilities and navigation mark equipment manufacturing,Sales;office equipment,Office Supplies,Computer Supplies Sales;Import and export;software design,to develop,maintain;Information system integration service;Environmental monitoring.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Chaohu Yinhuan Beacon Co., Ltd., established on 2006-03-28, Business scope includes steel buoys,non-steel buoy,Ship buoy,mooring float,Aids to navigation equipment,Shen Shi,Navigation lights,radar reflector,Solar power production,Sales,Setup and Installation;steel light pole,Non-steel light pole,Lighting pole supporting equipment and installation;Marine anchor chain,anchor,Anchor chain and accessories,Marine Outfittings,Production and sales of deck machinery;lamps,light pole,power pole,high pole light,Communication equipment,traffic sign,traffic light,traffic platform structure,communication equipment,power tower,steel pipe tower,fountain sculpture,new energyLEDlighting equipment,Assembly and processing of solar appliances,Sales;Urban and road lighting engineering installation;Bridge anti-collision design and manufacture,construction;Aids to Navigation Technical Services;Self-operation and agency of various goods or technology import and export business(Except for commodities and technologies that the state restricts enterprises to operate or prohibits import and export).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Super Pipe Co., Ltd., established on 2019-03-13, Business scope includes plastic panels,Tube,Profile manufacturing:Production of ultra-high molecular weight polyethylene wear-resistant pipes,Sales,Production of ultra-high molecular weight polyethylene water supply pipes,Sales,Steel-plastic composite pipe,PE,PVCProduction and sales of water supply and drainage pipes,Pipe Production Mold,Production and sales of flanges and pipe fittings,Pipeline installation and construction,Pipeline engineering technical consultation,Technical Design,Maintenance and repair of pipeline facilities.buoy,Production of light poles and navigation aids,Sales,Install,Navigation mark engineering technical consultation,Technical Design,Navigation mark engineering construction,Aids to navigation facility maintenance and maintenance.Self-operated and agency pipeline,Import and export business of navigation marks and supporting commodities and technologies(Except for commodities and technologies that the state restricts the company to operate or prohibits the import and export of).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Chaohu Guoli Navigation Equipment Co., Ltd., established on 2002-10-10, Business scope includes navigation mark,Production and sales of navigation equipment;Navigation mark equipment design,Install.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Wuhan Dongchuang Huanggang Marine Industry Co., Ltd., established on 2010-04-02, Business scope includes civil steel,Aluminum and steel-aluminum mixed shipbuilding,Sales,repair;Marine deck machinery manufacturing,Sales and Repair;Hoisting Machinery,Electrician special equipment,casting,Metal structural parts and their components,marine,Manufacturing of electrical control equipment and complete sets of electrical appliances for land use,Sales;Wind turbine equipment,Solar Power System Equipment,Research and development of wind-solar hybrid power supply system equipment and supporting products,manufacture,Sales and related technical consultation;Import and export,Technology import and export and agency import and export business.(Does not contain goods or technologies prohibited and restricted by the state,Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Beijing Guojiao Communication Technology Development Co., Ltd., established on 1992-07-01, Business scope includes construction general contracting,Professional contractors,Labor subcontracting;operating telecommunications business;Technology Promotion;Sales of communication equipment,electronic product;Computer System Services;Application software service;data processing;Import and export,Technology Import and Export,Agent import and export.(Market entities independently choose business projects in accordance with the law,Carry out business activities;Operating telecommunications business and projects subject to approval according to law,Carry out business activities in accordance with the approved content after approval by relevant departments;Do not engage in the business activities of projects prohibited and restricted by the industrial policies of the state and this city.)

Hubei Lanyu Airmark Co., Ltd., established on 2000-12-07, Business scope includes port and waterway engineering,Port and shipping equipment installation and water traffic control engineering,Electronic and intelligent engineering construction;Construction engineering labor subcontracting;research and development,Production and sales of buoys to navigation,buoy body,Navigation light,signal light,Insecticidal lamps and lighting fixtures,solar panels,Battery,Light source and optomechanical integration products,Smart Meter,measuring equipment,Navigation mark telemetry remote control terminal equipment and monitoring system integration,Polymer material products,Steel structure products,Bridge anti-collision facilities;port,channel,buoy,Navigation engineering design and information service;buoy,Navigational aids,Maintenance of waterway information management system;Telecom value-added service;Self-operated and agent import and export business of various commodities and technologies(Commodities and technologies prohibited and restricted by the state are not included).(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)##

Lianyungang Suhai Navigation Marking Engineering Co., Ltd., established on 2001-09-10, Business scope includes navigation mark survey engineering survey,design,construction;Electrical Equipment,Navigation equipment maintenance;Domestic Freight Forwarder,Warehousing,Loading and unloading service;Information Consulting Service;Housing rental service;building materials,Agricultural and sideline products,Daily necessities,Home Appliance Sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Various construction activities;Construction labor subcontracting(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Information system operation and maintenance services;Information Technology Consulting Services;satellite communication service;Professional repair of communication transmission equipment;Communication equipment sales;navigation,surveying and mapping,Sales of Meteorological and Oceanographic Special Instruments;Retailing of computer software, hardware and auxiliary equipment;Computer and Office Equipment Repair;Digital Video Surveillance System Sales;Network Equipment Sales;Information security equipment sales;Cloud Computing Equipment Sales;Information system integration service;Offshore wind power related system research and development;software development(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Wujiang Xinhua Navigation Mark Manufacturing Co., Ltd., established on 2000-07-04, Business scope includes production and sales:buoy,mechanical product;Production and installation of navigation mark engineering(Operate with qualifications);New technology application and development of navigation mark;road general cargo transportation;Self-operated and agent import and export business of various commodities and technologies.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Yangzhou Bohang Beacon Technology Co., Ltd., established on 2015-03-19, Business scope includes navigation lights,Aviation obstruction lights,buoy,light pole,anchor chain,Shen Shi,navigation mark,FRP products,solar lamps,UPSpower supply,D,Signage,Concrete lighthouse research and development,Production,Sales,Installation and Maintenance,Waterway engineering construction and maintenance.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Changjiang Channel Survey and Design Institute (Wuhan) Co., Ltd., established on 2019-03-25, Business scope includes waterway engineering planning,consult,design,survey;EPC;Test detection;Ship Engineering Planning,consult,design;Communication Engineering Planning,consult,design;Construction Engineering Planning,consult,design;Engineering Investigation;Investigation and Design of Auxiliary Facilities of the Pipeline Project Across the River.(Projects subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Ningbo Botai Plastic Technology Co., Ltd., established on 2012-09-05, Business scope includes plastic products,buoy,float,Navigation equipment research and development;plastic products,buoy,float,Navigation equipment,plastic container,plastic parts,mold,metal products,Hardware Accessories,mixer manufacturing,processing,Sales;Import and export of self-operated and agent goods and technologies,Except for goods and technologies restricted by the state or prohibited from import and export, and other legally,regulations,Projects that are not prohibited or do not require operating permits and projects that are not included in the negative list of local industrial development in the decision of the State Council.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guangzhou Maritime Technology Co., Ltd., established on 2019-03-05, Business scope includes advertising;photography service;E-commerce information consultation;Enterprise Management Services(Except for those involving licensed business projects);Communication Signal Technology Consulting Services;Science and technology project evaluation service;Science and Technology Information Consulting Services;Information Electronic Technology Services;UAV system technical service;Software technology promotion service;Network information technology promotion service;Marine supporting equipment manufacturing;Manufacturing of aids to navigation equipment and other related devices;lighthouse,Navigation mark management service;Research and Development of Communication Technology,Technical Services;Information system integration service;Wholesale of electronic products;computer wholesale;software wholesale;Wholesale of communication equipment and supporting equipment;Ship spare parts sales;Sales of drones;Internet Merchandise Sales(Except for licensed and approved products);Labor protection supplies wholesale;Emergency rescue equipment sales;software development;Computer room maintenance service;Information Technology Consulting Services;electronic,Communication and Automatic Control Technology Research,to develop;computer technology development,Technical Services;Internet of things technology research and development;Technical Research on Emergency Rescue Equipment,technology development;Technology development of UAV software and hardware,application;Electronic Engineering Design Services;Electronic equipment engineering installation service;Space lease(Without storage);property management;Acting printing business(not directly engaged in printing);Mapping service;ship inspection;ship,Offshore installations,Technical Inspection of Shore Works;Engineering Technology Consulting Services;Engineering project guarantee service;Engineering Project Management Services;Engineering general contracting service;General contracting of engineering construction;Research on Labor Protection Articles,design service;Electronic Product Design Services;radar,Navigation and measurement and control system engineering installation services;Electronic product testing;Ship Communication Service;Channel service;ship rescue service;Oil Spill Prevention Services for Vessels;Transshipment Building Services;Dock dredging;Shipping Broker;Emergency rescue equipment repair;Safety rescue emergency plan planning,design service;Accept entrustment to engage in labor outsourcing services;ship repair;

Qingdao Haiyan Electronics Co., Ltd., established on 2014-01-14, Business scope includes general items:navigation,surveying and mapping,Manufacture of special instruments for meteorology and oceanography;Ocean Engineering Equipment Manufacturing;Marine environmental monitoring and detection equipment manufacturing;Marine environmental monitoring and detection equipment sales;Sales of marine water quality and ecological environment monitoring equipment;General merchandise sales;Sales of power electronic components;Wholesale of electronic components;Wholesale of computer software, hardware and auxiliary equipment;Retailing of computer software, hardware and auxiliary equipment;electronics sales;Smart Instrument Sales;Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Offshore engineering design and module design and manufacturing services;Information system integration service;Ship leasing;Instrument Repair;Computer and communication equipment rental;Communication equipment repair;electrical equipment repair;Computer and Office Equipment Repair;marine services;Marine Environmental Services;software development;Machinery and Equipment Leasing;Import and export;Technology Import and Export.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Nanjing Muhang Transportation Technology Co., Ltd., established on 2005-09-05, Business scope includes traffic engineering design,consult;Traffic Engineering Technology Development,transfer.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Tianjin Luhang Information Technology Co., Ltd., established on 2010-06-08, Business scope includes general items:Technical Services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Information Technology Consulting Services;navigation,surveying and mapping,Sales of Meteorological and Oceanographic Special Instruments;Sales of marine water quality and ecological environment monitoring equipment;Geological Exploration Technical Services;Marine environmental monitoring and detection equipment manufacturing;Ocean engineering equipment sales;Maintenance of transportation facilities;Manufacturing of aids to navigation equipment and related devices;battery sales;rental service(Licensed rental services not included);Ship leasing;software development;software sales;Machinery and Equipment Leasing;Labor service(Does not include labor dispatch);marine services;HR Services(Excludes job brokerage activities,Labor dispatch service);Environmental Consulting Services;Big data service;internet sales(Except for products that require a license for sale);navigation,surveying and mapping,Manufacture of special instruments for meteorology and oceanography.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)licensed items:Mapping service;Construction Engineering Survey;Construction Engineering Construction(In addition to the construction and operation of nuclear power plants,Civil Airport Construction);Geological disaster control engineering survey;Inspection and testing service;Water Conservancy Engineering Quality Inspection.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)

Guangzhou Ruihai Marine Technology Co., Ltd., established on 2015-05-12, Business scope includes conference and exhibition services;Computer Network System Engineering Services;Information system integration service;IC Design;geographic information processing;Advertising;Urban Planning and Design;trade agent;security technology prevention product retail;Wholesale of safety technology and prevention products;Communication Equipment Retail;software retail;software wholesale;Computer Parts Retail;Wholesale of computer spare parts;computer wholesale;Technology Import and Export;Import and export(Excluding franchised products);Wholesale of communication equipment and supporting equipment;Wholesale of electronic components;Wholesale of electronic products;Wholesale of environmental protection equipment;ship repair;Ship Pilotage Services;Ship spare parts sales;Domestic water transport agency;Technology project agency service;Engineering and Technology Research and Experimental Development;Research on Network Technology,to develop;computer technology development,Technical Services;Research on Satellite Communication Technology,to develop;Energy Technology Research,Technology Development Services;marine services;Mapping service;Environmental Protection Monitoring;Environmental Assessment;Ecological monitoring;Ocean Engineering Construction;Bidding agency services for engineering construction projects;Information Electronic Technology Services;Information Technology Consulting Services;Nature Reserve Management;Wireless communication network system performance testing service;Communication Engineering Design Services;Ship Communication Service;Communication System Engineering Services;Software Testing Services;software service;Aquaculture scientific research service;Enterprise Management Services(Except for those involving licensed business projects);Business Management Consulting Services;Environmental Labeling Certification;Design of Security Technology Defense System,construction,repair;Security System Monitoring Services;Public facility safety monitoring service;Safety Production Technical Services;Environmental Technology Consulting,communication service;Environmental protection technology promotion service;Environmental Technology Development Services;Environmental technology transfer service;Energy-saving technology transfer service;Geological Exploration Technical Services;Biotechnology Extension Services;software development;electronic,Communication and Automatic Control Technology Research,to develop;Book data processing technology development;Energy Technology Consulting Services;Game software design and production;Data Processing and Storage Services;Machinery and Equipment Leasing;Water transportation equipment rental service;Communication base station facility lease;Solar photovoltaic equipment rental;Own Equipment Rental(Does not include license approval items);Wholesale of office equipment consumables;General Machinery Sales;Instrument wholesale;Sales of drones;Sales of lightning protection equipment;Retailing of office equipment consumables;Electronic Components Retail;Electrical Equipment Retailing;General machinery and equipment retail;Machinery Parts Retail;Hydrological Services;Instrument Repair;

Wuhan Delta Technology Co., Ltd., established on 2007-09-05, Business scope includes technology development of computer software and hardware,technical consulting,Technical Services,wholesale and retail;Space lease;Electrical Equipment,Research and development of mechanical equipment,Production(branch only),wholesale and retail;Industrial Automation System,Research and development of electronic products,wholesale and retail.(Projects subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Zhongjiao No. 1 Engineering Investigation & Design Institute is a Chinese private company located in Tianjin. The firm provides engineering services.

Guangzhou Xiangxi Technology Co., Ltd., established on 2007-05-08, Business scope includes engineering and technology research and experimental development;Aquaculture scientific research service;Research on Ecological Bank Protection Technology,to develop;Technical Research on Garbage Disposal,to develop;Technical Research on River Regulation,to develop;Technical Research on Waste Gas Treatment,to develop;Technical Research on Soil Remediation,to develop;Technical Research on Ecological Restoration,to develop;Research on water treatment equipment,to develop;Internet of things technology research and development;Environmental Science and Technology Research Services;computer technology development,Technical Services;Energy Technology Research,Technology Development Services;Engineering general contracting service;General contracting of engineering construction;Water transportation engineering design service;Environmental engineering special design service;Wholesale of water transportation equipment;Wholesale of environmental protection equipment;Channel service;marine services;Environmental Protection Monitoring;Manufacturing of aids to navigation equipment and other related devices;Information system integration service;Manufacture of special equipment for environmental protection;Manufacturing of special instruments and meters for environmental monitoring;Environmental Assessment;Indoor environment detection;Manufacture of metal signs for traffic and public administration;traffic safety,Manufacture of regulatory and similar special equipment;Production of special communication signal equipment for transportation vehicles;traffic sign construction;Various traffic lights and system installation;Steel Structure Sales;sales sign,indicator;lighthouse,Navigation mark management service;Shipwreck Salvage Services;Ship spare parts sales;Sales of products produced by the company(Except for projects prohibited by national laws and regulations;Products involving licensed operation need to obtain a license before they can be operated);Water Pollution Monitoring;waste monitoring;Noise Pollution Monitoring;Light Pollution Monitoring;Ecological monitoring;Soil and Water Conservation Monitoring;Commodity wholesale trade(Except for licensed and approved products);Manufacture of special equipment for marine engineering;on the water,Underwater Engineering Services;Water conservancy and inland port engineering construction;River and lake governance and flood control facilities engineering construction;Port and shipping facilities engineering construction;Ocean Engineering Construction;Communication facilities installation engineering services;radar,Navigation and measurement and control system engineering installation services;Monitoring system engineering installation service;Electronic automation engineering installation service;Electronic equipment engineering installation service;Intelligent installation engineering service;Building equipment automatic control system engineering services;Security monitoring and anti-theft alarm system engineering services;Communication System Engineering Services;Computer Network System Engineering Services;Construction of engineering environmental protection facilities;Engineering Project Management Services;Computer room maintenance service;Entrusted by enterprises to engage in maintenance of communication networks,maintain(Does not involve engineering construction such as line pipeline laying);Water Safety Technical Services(Does not include license approval items);navigation,Manufacture of special instruments for meteorology and oceanography;Sales of ecological revetment technology products(Except for those that are required to be approved by laws and regulations and prohibited and restricted by relevant state regulations);Commodity retail trade(Except for licensed and approved products);Water treatment equipment manufacturing;Marine supporting equipment manufacturing;Special Equipment Sales;Own Equipment Rental(Does not include license approval items);Mechanical and electrical equipment installation engineering professional contracting