Meng Siqi is not a pyramid scheme. According to the relevant information, Mengsiqi has a registered trademark and has been certified by the industrial and commercial department of Jinan, Shandong Province. Shandong Mengsiqi Biotechnology Co., Ltd. was established on December 18, 2014. Its registered address is Room 605, 6th Floor, Commercial Podium Building, Xingyijia Area B, No. 177 Xiaoqinghe North Road, Tianqiao District, Jinan City, Shandong Province.