Qingzhou Yongsheng Dredging Equipment Co., Ltd Room1907, Building A, Fortune Square , Qingzhou City , Shandong Province China About Solutions products industries Publications videos Home Companies Qingzhou Yongsheng Dredging Equipment ... Industries Qingzhou Yongsheng Dredging Equipment Co., Ltd Industries Industries Served Construction & Construction Materials - Construction Safety Environmental Environmental - Water Resources Manufacturing, Other Maritime/Shipbuild/Water Transport Maritime/Shipbuild/Water Transport - Maritime