港交所-北大青鸟环宇 截至二零一九年九月三十日止九个月第三季度业绩报告-20191113

CHARACTERISTICS OF THE GEM (“GEM”)OF THE STOCK EXCHANGE OF HONG KONGLIMITED (THE “STOCK EXCHANGE”) 香

腾讯文库港交所-北大青鸟环宇港交所-北大青鸟环宇 截至二零一九年九月三十日止九个月第三季度业绩报告-20191113