China Construction Third Bureau. The construction unit of Poly Tianmu Square is China Construction Third Bureau, which started on 20 13 and was completed on 20 18. Poly Tianmu Square is located in the core geographical position of Pazhou People's Life Circle, Haizhu District, Guangzhou City, Guangdong Province. It is a landmark super-Grade-A office building standing on Yuejiang Middle Road, 3 1 1 m away from Wangjiang.