Zhaobangji Properties Holdings Limited, formerly Sanroc International Holdings Limited, is an investment holding company principally engaged in trading of machinery and spare parts, leasing of machinery and the provision of related services, and the provision of transportation services in Hong Kong. The Company operates three segments. Trading of Construction Machinery segment includes trading of foundation machinery and drilling accessories. Leasing of Construction Machinery segment includes leasing of power and energy machinery. Transportation Services segment involves in provision of local transportation services. Its subsidiaries include Jubilee Land Holdings Limited, Red Day Global Limited, Jovial Lead Global Limited and Sanroc International Holdings Limited, among others.