Enamel curtain wall is located in Shanghai Jinan District, No.688 Huashan Road. It's the first and the biggest enamel curtain wall in the world. It is 200 square meter and using French maple leaf as the main design patterns. The initial inspiration is from the history of Jingan District which once been occupied by French. The designer made the maple leaf as the symbol to present the history of the French Concession.