1. The shape of pearls in the natural environment is different, but most of them are round. However, too round pearls may also be polished manually. The opposit......
2022-11-04The common sense of jewelry care is very practical for those who own jewelry. People are more and more enthusiastic about jewelry, and more and more people have......
2022-11-04Arcuate typeAlso known as convex or plain body, its ornamental surface is a convex. According to the waist shape (the shape of the waist), it can be further div......
2022-11-03cuttingIt is mainly to divide large pieces of materials into specific sizes and shapes according to different gemstones and shapes, and blanking machines may be......
2022-11-03The development of China's jewelry industry has roughly experienced three stages: stagnation, recovery and development. Before the 1980s, the jewelry indust......
2022-11-03With the rapid development of the national economy and the steady increase of residents' income, China's jewelry industry has shown a trend of rapid dev......
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