Tysan Holdings Limited, formerly Hong Kong International Construction Investment Management Group Co., Limited, is an investment holding company principally engaged in the business of foundation piling. Together with its subsidiaries, the Company operates through four segments. The Foundation Piling segment is engaged in foundation piling and site investigation businesses. The Property Development and Investment segment is engaged in the development of residential and commercial properties. The Investment segment is engaged in the investment of share capital and convertible bonds. The Corporate and Others segment is engaged in the operation of corporates and the leasing and trading of machinery.