Is the WeChat business in Man Ting and Wang Shuang a pyramid scheme?

You can determine whether this enterprise is suspected of pyramid selling according to the three criteria in the MLM Prohibition Ordinance. If their behavior meets this requirement, they can go to official website of the Ministry of Commerce to check whether the enterprise has been approved by the Ministry of Commerce and obtained a direct sales license. If not, then it can be determined that this is pyramid selling and it is illegal.