 ZHUHAI, CHINA ACCESSWIRE September 19, 2019 Powerbridge Technologies Co., Ltd. NASDAQ:PBTS Powerbridge or the Company, a global trade software applications and technology services provider, today announced the presentation of Powerbridge Smart Port Platform at The 2019 Smart China Expo SCE 2019, a major digital and smart solution technology exhibition event held in Chongqing, China. The Powerbridge Smart Port Platform was jointly presented by Powerbridge and Huawei, at the SCE 2019. 