1.Wangfujing Gongmei Mansion (home to time-honored brands; trusted cloisonné like the "Jingfa" brand). 2.Liulichang Culture Street (numerous traditional shops; choose Beijing Opera facial masks from the "Beijing Opera Costumes Factory"). 3.Qianmen Street Intangible Cultural Heritage Stores (e.g., the "Cloisonné Museum Store"). 4.Online options: "Palace Museum Cultural Creations," JD.com/Tmall official flagship stores. Avoid tourist spot stalls; look for certifications like "Beijing Gongmei" to ensure authentic craftsmanship.