Tianyuan Construction Group Co., Ltd. was established in July, 1989. It is a company with national super general contracting qualification, with more than 20 professional contracting first-class qualifications such as highway engineering, mechanical and electrical installation, steel structure engineering, curtain wall and fire protection, and foreign contracting project management qualifications, integrating building construction, scientific research and design, road and bridge construction, municipal engineering, equipment installation, decoration, engineering supervision, inspection and testing, trade and logistics, etc. Ranked 164 in "Top 500 Private Enterprises in China in 20 19", 374 in "Top 500 Private Enterprises in China in 20 19" and157 in "Top 500 Private Enterprises in China in 2020"; Selected in the list of "202 1 Top 500 Chinese Enterprises" and ranked 350th in the list of "202 1 Top 500 Private Enterprises in China" and ranked163rd; And was selected as one of the top 202 1 Shandong private enterprises 100.
However, as the chairman of a company with an annual revenue of 601.300 million yuan and a list of "Top 500 Chinese Enterprises" and "Top 500 Private Enterprises in China", Zhang Guiyu is extremely low-key and rarely accepts personal interviews from the media, so it is difficult for people to see relevant news about him online.