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 mechanic...