Shenzhen Investment Holdings Bay Area Development Co. Ltd. is an investment holding company, which engages in the initiation, promotion, development, and operation of toll expressways, and bridges. The company employs 605 full-time employees The company went IPO on 2003-08-06. The firm operates its business through three segments. The Guangzhou-Shenzhen Superhighway segment mainly develops and operates related infrastructure projects of guangzhou-shenzhen superhighway (GS Superhighway). The Guangzhou-Zhuhai West Superhighway segment mainly develops and operates related infrastructure projects of guangzhou-zhuhai west superhighway (GZ West Superhighway). The Xintang Interchange segment is engaged in the development of residential projects on the Xintang interchange.