1, studying in an American university and now living in the United States, was invited to study at the National University of Singapore for two months during the summer vacation, which was an inter-school project exchange. A visa to Singapore can be processed in the United States.

2. You can directly consult the nearest Singapore embassy or consulate in the United States to understand the procedures and requirements. Generally speaking, the official website, Singapore's embassy or consulate in the United States, will also have a detailed explanation.