2. If you want to issue a certificate, it is undoubtedly the best certificate from the National Gemstone Testing Center. In the diamond building, you can take it for identification and guarantee it at the national level. If you just identify the authenticity, you can bring it here, and we will help you identify the authenticity for free.
3. You can go to the 5th or 6th floor above Donghua Meizuan in Chenghuang Temple. There are many, and they are cheap and good.
4, jade bracelets are no longer smooth after a long time, and polishing can reproduce the luster. First, soak the jade bracelet in warm water for 10 minute. Put some toothpaste on the back of the jade bracelet. Brush evenly with a toothbrush, and brush and grind repeatedly for about 10 minute. Then wash it in warm water.
5. The recycling price of jadeite corresponding to the recycling of jadeite in the jadeite physical store will be higher, but the cycle will be longer.