Henderson Investment Limited (Chinese:??????????) (SEHK: 97), the subsidiary company of Henderson Land Development, involves the development, investment and leasing of the properties in Hong Kong and Mainland China. Other activities include operations and management of department stores, investment in infrastructure projects, provision of cleaning and security guard services, and other investment holdings. 1970: Henderson Investment was established in 1970, named Wing Tai Development Limited (Chinese:????????). 1972: It was listed on the Hong Kong Stock Exchange.