Where is Zhang Jianzhong's ancestry in Shenzhen Sanggu?

Bao'an District, Shenzhen. According to the query Zhang Jianzhong personal profile, Zhang Jianzhong was born on June 28, 1976 in Bao'an District, Shenzhen City, his father Zhang Zexiang is also a person in Bao'an District, Shenzhen City, his ancestral home is Bao'an District, Shenzhen City. Shenzhen Sanggu Medical Robotics Co., Ltd. was registered on November 24, 2010 at the Shenzhen Municipal Market Supervision Administration.