sino group was founded in the 1970s. tsim sha tsui properties limited, a holding company of sino land company limited, was publicly listed in the hong kong stock exchange in 1972. sino land company limited was publicly listed in the hong kong stock exchange in 1981. in 1995, it became a constituent stock of the hang seng index. in 1995, sino land company limited spun off its hospitality business interests to create the publicly listed sino hotels (holdings) limited in the hong kong stock exchange.