Li Jingfa. Tianyuan Construction Group Co., Ltd. Ninth Construction Engineering Company (formerly known as Shandong Tianyuan Construction Group Co., Ltd. Ninth Construction Engineering Company), established in 1994, is located in Linyi Economic and Technological Development Zone, Shandong Province, and is an enterprise mainly engaged in civil engineering construction. The head of the company is Li Jingfa, and the boss of Tianyuan Nine Company is Li Jingfa. The Ninth Construction Engineering Company of Tianyuan Construction Group Co., Ltd. is the backbone unit of tianyuan group, with 30 project departments and more than 200 managers/kloc-0, including 7 senior engineers/kloc-0, more than 300 engineers, more than 600 junior technical managers and more than 70 first-class registered builders. The annual construction area is 8 million square meters and the output value is 7 billion yuan. The company has successively won national awards such as "Luban Award", "Zhan Tianyou Award" and "National Quality Engineering Award". It is the first unit in the group's construction industry to win a grand slam award, and its comprehensive strength is at the forefront of the group.