Yongjian Company was established on May 4, 2011, formerly known as CICO Yongding Construction Equipment Leasing Co., Ltd.. In April 2013, with the approval of CICO (Yuwaijian [2013] No. 49), it was renamed as Chongqing Yongjian Construction Engineering Management Co., Ltd.. "Notice of Approval of Change Registration" (Yuzhong Market Supervisor). No. 031655. The company type: limited liability company; legal representative of the company: Zheng Can; registered address: No. 6-3, No. 40, Sixin Road, Yuzhong District, Chongqing City; Enterprise Unified Social Credit Code: 91500103574808455F; Registered capital: RMB 50 million, Among them: Waijian Group invested 50 million yuan with net assets, accounting for 100.00% of the company's total registered capital. The ultimate controlling shareholder is Chongqing Foreign Economic & Trade (Group) Co., Ltd. (hereinafter referred to as Chongqing Foreign Economic & Trade Group). The business scope of Yongjian Company is: engaging in construction-related business (mainly practising after obtaining the qualification permit); sales of construction materials (excluding hazardous chemicals) and technology research and development; sales of machinery and accessories. Under the authorization of the group, the company undertakes the general contract management of BT financing construction of the Cuntan Yangtze River Bridge project in the southern section of the Chongqing Airport Special Expressway Project. At the end of 2017, Cuntan Yangtze River Bridge was successfully opened to traffic. In 2017, 2018 was rated as an advanced collective by Waijian Group for two consecutive years.