On December 14, the 17th International Environmental Protection Expo, jointly organized by the Hong Kong Trade and Development Council and Frankfurt Exhibition (Hong Kong) Co., Ltd. and co organized by the Environment and Ecology Bureau of the Hong Kong SAR Government, was held at the Hong Kong Convention and Exhibition Center for four consecutive days. The Expo encourages citizens to participate in environmental protection activities and practice green life. Some exhibitors exhibited single-layer hydrogen buses and double-layer electric buses serving Hong Kong, which became the highlights of this international environmental protection expo. A robot that delivers meals for quarantine personnel in the hotel. 19 electric low platform minibuses and medium buses. The upgraded electric vehicle has greatly improved its endurance and fast charging ability. Exhibitors showed the instruments for industrial wastewater treatment. The single-layer hydrogen bus and double-layer electric bus displayed by Wisdom Auto (Hong Kong) Co., Ltd. (Liu Xinshe)
Edit：Ying Ying Responsible editor：Wang Chen
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