What grade does Topp lens belong to?

What the subject wants to ask is "what grade does Gothop lens belong to?" Advanced grades. According to Netease.com, Gaode glasses are famous fashion brand glasses. Gothop brand glasses are designed by Louis Koo and Italian designers. The design style is bold and avant-garde, which is favored by fashion people and has various styles. The design style has both European exaggeration and oriental simplicity, showing its natural and noble temperament.