Zhangjiakou Guyangkang Technology Co., Ltd., established on 2017-07-24, Business scope includes technical services,technology development,technical consulting,Technology Exchange,technology transfer,Technology Promotion;Bio-organic fertilizer research and development;poultry farming,Sales(It can only operate after obtaining the environmental impact assessment and animal husbandry epidemic prevention certificate),wholesale fresh eggs,retail,crop(except seeds)to plant,Sales,R & D and promotion of aerospace breeding technology,new agricultural technology,Introduction of new varieties,straw,Wheat Bran Acquisition,Sales,Grain Purchase,Sales(Can only be operated after obtaining a grain operation license),Agricultural product packaging,Package Design,Branding,Warehousing Services(Hazardous Chemicals,Except food and other special approval items),Warehouse rental;fertilizer sales,Sales of plastic products,General merchandise sales,Wholesale of hardware products,Machinery sales;Corporate Image Planning.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)