Hand over the house. According to Gulangyu official website, the Gulangyu Bay project of Shimao Yun Qi Bay, a Sino-Singapore eco-city in Tianjin Binhai New Area, was stagnant for a period of time in 2020, and was handed over at the end of September 2022 after it resumed work in July 2022. Gulangwan Community, Tianjin Eco-city, integrates six supporting systems: water collection, hot springs, sports, leisure, commerce and culture.