Jiangsu Rainbow Heavy Industries Co., Ltd. is principally engaged in the design, manufacture, distribution and services of heavy equipment. The Company provides hatch covers, including lift-away hatch covers for container ships, folding hatch covers for bulk carriers and multi-purpose ships and slide hatch covers, as well as crane equipment, including industrial and mineral cranes, specialty ship cranes, marine wind power engineering cranes, port machineries, deck cranes, marine engineering cranes, container bridge cranes, ship unloaders and electrolytic aluminum bridge cranes, among others.