Touyun Biotech Group Ltd. is an investment holding company, which engages in the design, development, production, and sales of packaging products. It operates through the following segments: QR Code Business, Packaging Products, Treasury Investment, and Chlamydomonas Reinhardtii Products. The QR Code Business segment offers QR code on product packaging and solutions and advertising display services. The Packaging Products segment manufactures and sells watch boxes, jeweler boxes, eyewear cases, bags and pouches, and display units. The Treasury Investment segment involves investments and trading in securities, and money lending. The Chlamydomonas Reinhardtii Products refers to the production and sale of Chlamydomonas reinhardtii, micro-algae and related products. The company was founded by How Mun Lam in 1989 and is headquartered in Hong Kong.