On May 11, 2018, the company held its first preparatory group meeting. The shareholders signed the sponsor agreement, put forward the list of directors, supervisors and executives of the company, and started the work of company's name verification.

On May 18, 2018, the company held the first meeting of the first shareholders'meeting, and decided to apply for the establishment of the company. Through the articles of association, the company voted to form its board of directors. On the same day, the company held the first meeting of the board of directors, appointing the general manager, deputy general manager and financial director of the company.

On June 4, 2018, the company completed its business registration.

On June 25, 2018, the company held the second meeting of the first board of directors. At the meeting, it adopted the company's business plan for 2018 and the company's medium-term business plan, internal organization setup, formulation of business process rules and basic management system, basic wages and performance incentives, financial budget and financing plan, and launching the lease item of heavy industry shield machine. Items and other matters.

On July 31, 2018, the company's first direct-rent shield machine project with Jinan Heavy Industry Tunnel Construction Equipment Co., Ltd. totaled 31 million yuan.

On August 1, 2018, the company was officially stationed on the 19th floor of Block D, Golden Times Square.