New Trends in the Precious Metals Industry | Yihui Casting Desktop&Handheld Gold Testing Machine Helps Precise Gold DetectionGlobal gold consumption and precious metal trade continue to heat up, with jewelry customization, used gold recycling and circulation, precious metal raw material processing, cross-border gold trading and other tracks flourishing. With the continuous expansion of the market volume, industry pain points such as material adulteration, purity non-compliance, and non-standard testing have bec···...