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The reorganization involved the incorporation of Powerbridge, a Cayman Islands holding company, and its wholly owned subsidiaries, Powerbridge Technologies Co., Limited ("Powerbridge HK"), a holding company incorporated on July 27, 2018 under the laws of Hong Kong; and the transfer of all equity ownership of Zhuhai Powerbridge Technology Co., Ltd. ("Powerbridge Zhuhai") to Powerbridge HK from the former shareholders of Powerbridge Zhuhai through an investment holding company. In consideration of the transfer, the Company issued 11,508,747 shares of the Company with par value 0.001 per share to the former shareholders of Powerbridge Zhuhai. On February 10, 2019, the board of directors approved a reverse stock split of the Company's authorized number of Ordinary Shares at a ratio of 1-0.6. After the reverse stock split, the Company's authorized number of Ordinary Shares was 30,000,000 shares with par value of $0.00166667 per share and 6,905,248 shares were issued and outstanding immediately after the reverse stock split. The Company has retroactively adjusted all shares and per share data for all the periods presented.</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 8pt Times New Roman, Times, Serif">&#160;</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 10pt Times New Roman, Times, Serif">Prior to the reorganization, Powerbridge Zhuhai's equity interests were held by the former shareholders through an investment holding company, of which the Controlling Shareholders owned 84.9% of equity interest of Powerbridge Zhuhai. Powerbridge Zhuhai was incorporated on October 30, 1997 in Zhuhai, Guangdong province under the laws of the People's Republic of China (the "PRC" or "China"). Powerbridge Zhuhai is an operating subsidiary that provides global trade software application and technology services to corporate and government customers located in the PRC. Beijing Powerbridge Technology Co., Ltd. ("Powerbridge Beijing"), a company conducting engineering and IT research and development activities, was incorporated on September 28, 2017 in Beijing under the laws of PRC, with Powerbridge Zhuhai owning 55% and Mr. Tianfei Feng owning 45% of equity interest. Since inception, Powerbridge Zhuhai and Mr. Tianfei Feng have only made nominal investments in Powerbridge Beijing and no substantial business operations have occurred; as a result, Powerbridge Zhuhai and Mr. Tianfei Feng agreed to deregister the entity. Mr. Tianfei Feng later became the Company's Chief Research and Development Officer and the technology research and development activities originally conducted in Powerbridge Beijing are now conducted through the Beijing branch of Powerbridge Zhuhai. Powerbridge Beijing was deregistered on October 25, 2018.</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 8pt Times New Roman, Times, Serif">&#160;</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 10pt Times New Roman, Times, Serif">On August 7, 2018, the former shareholders transferred their 100% ownership interest in Powerbridge Zhuhai to Powerbridge HK, which is 100% owned by Powerbridge. After the reorganization, Powerbridge owns 100% equity interests of Powerbridge HK and Powerbridge Zhuhai. All shareholders have the same ownership interest in Powerbridge as in Powerbridge Zhuhai prior to the reorganization.</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 8pt Times New Roman, Times, Serif">&#160;</font></p> <p style="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"><font style="font: 10pt Times New Roman, Times, Serif">Since the Company and its subsidiaries are effectively controlled by the same group of the shareholders before and after the reorganization, they are considered under common control. The above mentioned transactions were accounted for as a recapitalization. The consolidation of the Company and its subsidiaries has been accounted for at historical cost and prepared on the basis as if the aforementioned transactions had become effective as of the beginning of the first period presented in the consolidated financial statements.</font></p> Shares and per share data are presented on a retroactive basis to reflect the nominal share issuance and share split on August 18, 2018 and February 10, 2019. Security deposits represent contract fulfillment deposits required by customer for specific projects, rent deposits and etc. For the year ended December 31, 2019 and 2018, in some application development service arrangements, the Company sold certain IT equipment prior to the delivery of the services. Such revenue of $1,554,428 and $8,069,594 was included in the application development service revenue for years ended December 31, 2019 and 2018, respectively.