华媒控股：杭州文化产权交易所有限公司为公司参股公司

Group 1 - The core viewpoint of the article is that Huamei Holdings has a 40% stake in Hangzhou Cultural Property Exchange Co., Ltd., but does not have control over it [1] - Hangzhou Cultural Property Exchange provided a summary of its basic situation and business operations, indicating that it has not built or operated a digital platform for cultural asset digitization [1]