Go to Dongmen Old Street, where there is a food street (Dongmen Town) with lots of cheap clothes. Golden Sun Department Store is one of them. Mainly engaged in some high-grade clothes, as well as cosmetics and electrical appliances. It is a good choice to buy it there.
For transportation, it is recommended to take the subway, get on at Shenzhen North Railway Station (longhua line), get off at the Exhibition Center Station, change to Envelope Line 1, get off at Laojie Station, and get off at Exit D!
People, take care of your belongings!