Special Economic Zone Construction Group is a large construction industry group formed by the Shenzhen State-owned Assets Supervision and Administration Commission to deepen the reform of state-owned enterprises and promote high-quality development of Shenzhen's construction industry. It integrates Shenzhen Tianjian (Group) Co., Ltd., Shenzhen Jianan (Group) Co., Ltd., Shenzhen Road and Bridge Construction Group Co., Ltd., and Shenzhen Comprehensive Transportation Design Institute Co., Ltd.