{"data": [{"code": "A", "type": "一级分类", "name": "货物", "belong": null, "children": [{"code": "A01000000", "type": "二级分类", "name": "房屋和构筑物", "belong": "A", "children": []}, {"code": "A02000000", "type": "二级分类", "name": "设备", "belong": "A", "children": []}, {"code": "A03000000", "type": "二级分类", "name": "文物和陈列品", "belong": "A", "children": []}, {"code": "A04000000", "type": "二级分类", "name": "图书和档案", "belong": "A", "children": []}, {"code": "A05000000", "type": "二级分类", "name": "家具和用具", "belong": "A", "children": []}, {"code": "A06000000", "type": "二级分类", "name": "特种动植物", "belong": "A", "children": []}, {"code": "A07000000", "type": "二级分类", "name": "物资", "belong": "A", "children": []}, {"code": "A08000000", "type": "二级分类", "name": "无形资产", "belong": "A", "children": []}]}, {"code": "B", "type": "一级分类", "name": "工程", "belong": null, "children": [{"code": "B01000000", "type": "二级分类", "name": "房屋施工", "belong": "B", "children": []}, {"code": "B02000000", "type": "二级分类", "name": "构筑物施工", "belong": "B", "children": []}, {"code": "B03000000", "type": "二级分类", "name": "施工工程准备", "belong": "B", "children": []}, {"code": "B04000000", "type": "二级分类", "name": "预制构件组装和装配", "belong": "B", "children": []}, {"code": "B05000000", "type": "二级分类", "name": "专业施工", "belong": "B", "children": []}, {"code": "B06000000", "type": "二级分类", "name": "安装工程", "belong": "B", "children": []}, {"code": "B07000000", "type": "二级分类", "name": "装修工程", "belong": "B", "children": []}, {"code": "B08000000", "type": "二级分类", "name": "修缮工程", "belong": "B", "children": []}, {"code": "B09000000", "type": "二级分类", "name": "工程设备租赁", "belong": "B", "children": []}, {"code": "B99000000", "type": "二级分类", "name": "其他建筑工程", "belong": "B", "children": []}]}, {"code": "C", "type": "一级分类", "name": "服务", "belong": null, "children": [{"code": "C01000000", "type": "二级分类", "name": "科学研究和试验开发", "belong": "C", "children": []}, {"code": "C02000000", "type": "二级分类", "name": "教育服务", "belong": "C", "children": []}, {"code": "C03000000", "type": "二级分类", "name": "就业服务", "belong": "C", "children": []}, {"code": "C04000000", "type": "二级分类", "name": "医疗卫生服务", "belong": "C", "children": []}, {"code": "C05000000", "type": "二级分类", "name": "社会服务", "belong": "C", "children": []}, {"code": "C06000000", "type": "二级分类", "name": "文化、体育、娱乐服务", "belong": "C", "children": []}, {"code": "C07000000", "type": "二级分类", "name": "生态环境保护和治理服务", "belong": "C", "children": []}, {"code": "C08000000", "type": "二级分类", "name": "能源的生产和分配服务", "belong": "C", "children": []}, {"code": "C09000000", "type": "二级分类", "name": "农林牧渔服务", "belong": "C", "children": []}, {"code": "C10000000", "type": "二级分类", "name": "采矿业和制造业服务", "belong": "C", "children": []}, {"code": "C11000000", "type": "二级分类", "name": "工程管理服务", "belong": "C", "children": []}, {"code": "C12000000", "type": "二级分类", "name": "水利管理服务", "belong": "C", "children": []}, {"code": "C13000000", "type": "二级分类", "name": "公共设施管理服务", "belong": "C", "children": []}, {"code": "C14000000", "type": "二级分类", "name": "公园和游览景区服务", "belong": "C", "children": []}, {"code": "C15000000", "type": "二级分类", "name": "交通运输和仓储服务", "belong": "C", "children": []}, {"code": "C16000000", "type": "二级分类", "name": "信息技术服务", "belong": "C", "children": []}, {"code": "C17000000", "type": "二级分类", "name": "电信和其他信息传输服务", "belong": "C", "children": []}, {"code": "C18000000", "type": "二级分类", "name": "金融服务", "belong": "C", "children": []}, {"code": "C19000000", "type": "二级分类", "name": "专业技术服务", "belong": "C", "children": []}, {"code": "C20000000", "type": "二级分类", "name": "鉴证咨询服务", "belong": "C", "children": []}, {"code": "C21000000", "type": "二级分类", "name": "房地产服务", "belong": "C", "children": []}, {"code": "C22000000", "type": "二级分类", "name": "会议、展览、住宿和餐饮服务", "belong": "C", "children": []}, {"code": "C23000000", "type": "二级分类", "name": "商务服务", "belong": "C", "children": []}, {"code": "C24000000", "type": "二级分类", "name": "政府和社会资本合作服务", "belong": "C", "children": []}, {"code": "C99000000", "type": "二级分类", "name": "其他服务", "belong": "C", "children": []}]}]}