Zhuhai Tangjiawan GDP 1462 1 100 million yuan. In the past five years, the annual GDP of Tangjiawan Town has jumped from 6.54 billion yuan to 1462 1 100 million yuan, with an average annual growth of 13 1%, and the goal of doubling was achieved ahead of schedule. It is gradually formed by software and integrated circuits, Internet and mobile Internet, biomedicine and medical devices, smart grid and cultural creativity.