Nantong Rainbow Offshore & Engineering Equipment Co., Ltd. (ROC) also as Nantong Rainbow Offshore & Engineering Equipment Co., Ltd. (ROC) , is a wholly owned subsidiary of Jiangsu Runbang Heav Industries (RHI) Their annual capacity: 10 ships + 200,000 tons of wind power equipment They are a manufacturing company with a focus on brand building, offering materials handling and lifting solutions for ports, marine engineering, offshore engineering, and other sectors. It operates multiple manufacturing bases in China, producing equipment for various industrial applications. 更多信息