The 2nd largest Chinese city is SHANGHAI, which has 8 letters, and Han, which has 3 letters. SHANGHAI is the most populous city in China and one of the most populous cities in the world. It is a global financial center and a major transportation hub, with the world's busiest container port. Han is a major city in the south of China and is the capital of the Guangdong province. It is a major manufacturing center and is known for its high-tech industry.