SHENZHEN, China, Nov. 13, 2017 /PRNewswire/ — The closing ceremony for the 2017 C Blue, a training-based social program co-organized by China Merchants Port Holdings Company Ltd. (“CMPort”) and Shenzhen Polytechnic, was held in Shenzhen at the CMPort Plaza on November 10, concluding a fruitful month of cross-cultural camaraderie during which