Shaxi town, Dayong Town and Xiaolan Town. Zhongshan garment industry is very famous in China, and there are many garment factories, among which shaxi town is the national leisure garment production base, and the garment factories mainly produce leisure garments; Dayong Town is a production base of denim garments in China, and there are many denim garment factories. Xiaolan Town is the underwear production base in China, and there are a large number of underwear production enterprises in the town. Zhongshan City is one of the five prefecture-level cities without districts in China, located in the lower reaches of Xijiang River and Beijiang River in the south-central part of the Pearl River Delta.