Professional formal attire includes: Armani, Clarks/Qi Le, G2000 Hustler, Li Lang, Nautica, Yagerstein, Burberry, Dunhill, Prada Port, Valentino, Versace (expensive! )
Mid-range products are: Tony Yang, French Crocodile, Mark Huafei, Ba Jin, Dipai, Dancing with Wolves, Seven Wolves and Talent. The clothing prices of these brands are not too high, which is suitable for people with general consumption level.
As long as you go to a bigger mall, you will know that sometimes you buy clothes not by brand, but by style, workmanship and quality.