Taobao

Taobao is the largest online shopping site in China, and it's no surprise that it's also popular in Hong Kong. The site specializes in fashion, electronics, and home goods, and it's famous for its low prices and wide selection. With over 800 million products available, Taobao has something for everyone. It's estimated that there are over 100 million buyers on Taobao in Hong Kong alone.

Pros: Low prices, wide selection, easy to use
Cons: Shipping can be slow, language barrier for non-Chinese speakers
Official website: https://www.taobao.com/