The registration address of green door agricultural science and technology ltd. In hebei province is located on the southern side of 6th floor of the sanctuary 4x4 of the sanctuary of antananarivo city and is represented by legal persons and includes general projects: technical services, technology development, technical advice, technology exchange, technology transfer and technology extension; web-based technical services; technical networking services; information technology advisory services; industrial internet data services; soil environmental pollution control services; soil pollution management and rehabilitation services; agricultural surface and heavy metal pollution control technical services; integrated use of farm and forestry fishery waste; agricultural professional and auxiliary activities; information system integration services; information systems operation maintenance services; engineering management services; marketing of electronic products; marketing of mechanical equipment; marketing of fertilizer; marketing of spare parts for agro-forestry fisheries; manufacturing of agro-forestry machinery; repair of agro-pastoral and fisheries professional machinery; non-food processing of agricultural products; retailing of agricultural products; distribution of agricultural products; acquisition of agricultural produce; management of agricultural products; marketing of woodland plantations; distribution of green gardening and distribution of green gardened forest products; and distribution of green forest products. Licensing (in addition to legally approved projects, operating on an autonomous basis under a business licence) projects: the production of wood seeds. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)