On March 12, 2014, Qinghai Dongbao Mechanized Engineering Co., Ltd. successfully held the 2014 Shangong Machinery Brand Product Exhibition at Qinghai Hotel in Xining City. Yang Shubao, Chairman and General Manager of Caterpillar (Qingzhou) Co., Ltd., and major sales channel leaders attended the grand event. More than 300 guests from the General Manager and customers of Qinghai Dongbao Mechanized Engineering Co., Ltd. attended the event.