In the jewelry industry, the quality of a finished product depends not only on materials and design, but also on the underlying jewelry casting process, which is the core determinant of its texture level, market value and service life. For practitioners and senior collectors, understanding jewelry casting means truly understanding the core quality of jewelry; high-quality precious metal casting te···

Surface water stain is a common, often overlooked quality defect in precision casting. It appears as white or gray watermarks, blotches, or damp residues on cast parts, ruining aesthetic appeal and leading to surface corrosion, poor coating adhesion, and shortened service life. These defects stem from raw material handling, process parameters, equipment performance, and environmental control.Yihui···

In the continuous development of the precious metal casting industry, 5G gold shines like a brilliant new star. As the core product of the fifth generation of new gold casting technology, it breaks through many technical bottlenecks of traditional gold casting and integrates innovative casting technology and modern production concepts in the industry. The emergence of 5G gold has not only become a···