Biosysen Limited, an investment holding company, engages in the accommodation operation and property facilities management services in the People's Republic of China. It also provides accommodation consultancy and management, and engages in healthcare and beauty business, which offers bioregenerative, collagen, and anti-aging skincare products. The company also offers property facilities outsourcing management services, such as professional cleaning, sterilisation, inventory supply management, and quality management to third party customers. The company was formerly known as Legend Strategy International Holdings Group Company Limited and change its name to Biosysen Limited in April 2026. The company was founded in 2006 and is headquartered in Causeway Bay, Hong Kong. Address: Lee Garden Two, Causeway Bay, Hong Kong