God, is the sales model of Ian Di legal?

Illegal. Henan Tianen Yidi Biotechnology Co., Ltd. was established on August 24th, 20th17th. According to relevant data, on June 10, 2022, Henan Tianen Yidi Biotechnology Co., Ltd. was revoked its business license because of suspected pyramid schemes, so Tianen Yidi's sales model was illegal. Business scope includes technical research and development of biological products, technical consultation, etc.