Shanghai Pangyuan Machinery Leasing Co., Ltd. (referred to as "Pangyuan Leasing") was established in 2001 with a registered capital of 2.258 billion yuan and total assets of nearly 10 billion yuan. It is mainly engaged in construction engineering, energy engineering, transportation engineering and other national and local key infrastructure construction. The rental service, installation, dismantling and maintenance of the required construction machinery and equipment, with the "Class A Special Equipment Installation, Transformation and Maintenance License" and the "Grade-1 Professional Contracting of Hoisting Equipment Installation Engineering" qualifications, ranking first in the domestic construction machinery service industry front row,

Shaanxi Construction Machinery Co., Ltd. (referred to as "Shaanxi Construction Machinery Co., Ltd."), founded in 1954, was one of the eight major manufacturing plants in my country's construction machinery entrepreneurial period and one of the five largest metal structure plants in the country. It was listed on the Shanghai Stock Exchange in 2004 ( Stock code: 600984), the actual controller of the company is Shaanxi Coal Chemical Industry Group Co., Ltd.