All of these goods could be purchase at these nice department stores or shopping plaza in Guangzhou. For example, Tee Mall which is located above the the metro's Tiyu Ci Lu station. Grand Buy department store where many branded goods are available.

Hi,

Hope the below infomration can help.
1. Haiyin market and Nanfang building for the mobile phone and dvd. (brand new or refurbished ones.)Tianhe computer market for the laptops.
2. Baima building near the guangzhou train station. Actually there are many building selling clothes in that location.
3. There are many watch markets near the train station too, such as, Southern Trade Center of Horologe and ZhanXi KowLoon Watch Center