With the invoice and my ID card, you can go to Guohua Shopping Mall to trade in the old for the new. Diamond jewelry can only be exchanged for platinum, and the diamond part needs to be kept by itself.

Guohua Shopping Mall is a comprehensive shopping mall with yellow, platinum and jewelry as the main products. It is located in West Street of Xuanwu Gate in Beijing. The superior geographical position makes it a unique and convenient place. Since the early 1980s, it has been dealing in yellow, platinum and jewelry for more than 30 years. Since 1992, it has gradually formed a characteristic business scale, fully engaged in yellow, platinum and jewelry, and its sales have been among the best in Beijing for many years. Known as "Beijing No.1 Platinum Company".