Aluminum doors and glass style of the South and north of the. North to aluminum thickness, styles calm as the main feature, the most representative is lattice bar styles, and lattice bar in the most characteristic is tangge. South to the aluminum shapes, lively styles for the main features, the most representative is to spend the glassy styles, grillwork, and ice, and shallow carving, Crystal Bay and styles, among which the symbol manufacturers in Guangzhou is the new standard.