In the thousands of years of development of the jewelry industry, the traditional lost wax casting process is like a tough thread, connecting the aesthetics and skills of different eras. From the gold jewelry in the tombs of ancient Egyptian pharaohs to the filigree inlaid jewelry of the Ming and Qing dynasties in China, lost wax casting has always been the core craftsmanship of high-end jewelry p···

Brilliant Conclusion, Grateful Encounter | Tecnogold Jewelry Show 2026 Successfully Concluded2026 edition of the Tecnogold Jewelry Show, one of Latin America’s most influential jewelry industry gatherings, concluded on May 23, 2026, at the prestigious Centro de Eventos São Luis in São Paulo, Brazil. three-day event (May 21–23) brought together thousands of industry professionals, brands, whole···

Preface: The Hundred Year Dilemma of Precious Metal CastingAccording to research data on China's precision casting industry in 2026, over 82% of precious metal processing plants have long been plagued by three core defects: porosity, sand holes, and shrinkage porosity. The yield rate of traditional gravity casting machines is generally less than 60%, while the yield rate of pressure casting ma···