Wuhan donggao catering management service co., ltd. According to the announcement issued by Wuhan High-speed Rail Catering Company, the full name of Wuhan High-speed Rail Catering Company is Wuhan Donggao Catering Management Service Co., Ltd., which belongs to Zhejiang Donggao Industrial Co., Ltd. It is the third-party largest train operation service enterprise of China Railway Corporation, with more than 11,111 employees and departments such as purchasing center, operation center, financial center, personnel administration center and marketing center.