招標文件下載地址：http://guoxiang.sjznet.net/upload/neirong/file/20210707162691429142.doc
http://guoxiang.sjznet.net/upload/neirong/file/20210707162769876987.docx
http://guoxiang.sjznet.net/upload/neirong/file/20210707162754565456.docx
