2. Hello, there is another way. That is, you can directly search for Tianjin gambling stone on Taobao, and you can find it according to his address. They can all process rough stones there.
3. At present, it is basically machine carving and hand trimming, unless tens of thousands of pieces of goods are hand-carved, but the carving fee is not cheap. If it costs thousands, ordinary goods need not be so particular.
4. Tianjin Jinliansan jewelry, Tianjin Heping District bare-handed metalworking, Tianjin Qipin craftsman. Bracelet processing can go to shops specializing in jewelry processing, or to jewelry counters in large shopping malls, but attention should be paid to the changes in weight and color before and after processing, and processing matters must be discussed before processing.
This cutting method is time-consuming and labor-intensive, and it must be guaranteed by a lot of manpower. Maybe this cutting method is used to cut jade. In recent years, there has been a diamond wire cutting machine, the principle of which is the same as that of the ancient wire cutting method.