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 production due to its ability to accurately reproduce complex shapes. However, as global consumer demand rapidly shifts t···...

Yihui Casting AU1000E Handheld Gold Testing Machine: Empowering the Entire Industry Chain and Unlocking the Efficient Value of Precious Metal DetectionGlobal precious metal industry is moving towards a new stage of efficient, precise, and transparent development. Yihui Casting has launched the AU1000E handheld gold measuring machine, which is based on the core values of "full scene adaptation, full element detection, and full process empowerment". It connects the detection pain points of the four core sce···...

Fully Automatic Gold Coin Hydraulic Production Line Launched | Precious Metal Minting Solution from Yihui CastingSurging Global Demand for Gold & Silver Collectibles Pushes Intelligent Upgrade, Yihui Casting Rolls Out New Automatic Integrated Gold Coin Hydraulic Production Line，global demand for commemorative coins has surged, and Yihui's fully automatic gold coin hydraulic integrated production line has been newly finalized and put into operationIn recent years, the global investment gold coin, collection···...

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, wholesalers, designers, and gemstone suppliers from across Brazil, Latin America, and beyond, fostering high-value trade, inn···...

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 machines is about 95%. In a single month, the loss of raw materials alone causes losses of over tens of thousands of yuan.···...

Complete Guide to Jewelry Casting Equipment: Essential Tools for Professional Jewelry ManufacturingIntroduction to Jewelry Casting EquipmentJewelry casting is one of the most fundamental processes in the jewelry manufacturing industry, transforming raw precious metals into intricate and beautiful designs. The quality of the final product heavily depends on the jewelry casting equipment used throughout the process. From small artisan workshops to large-scale manufacturing facilities, having the right equipment ensur···...

Yihui Casting, which focuses on the research and development of precious metal casting and forming equipment, has launched a fully automatic hydraulic press for gold coins and commemorative coins. It provides intelligent, high-precision, and high-efficiency integrated solutions for precious metal pressing and forming for global precious metal refineries, professional mints, and cultural and creative commemorative medal customization enterprises.With the booming development of the global precious metal investment ma···...

Introduction: Why Vacuum Matters in Modern Injection TechnologyIn modern manufacturing, especially in precision molding industries such as plastic injection molding, rubber molding, and jewelry casting, vacuum technology plays a critical role in ensuring product quality, consistency, and structural integrity. The injection process is highly sensitive to trapped air, moisture, and volatile gases inside the mold cavity. Without proper air removal, even the most advanced injection systems can produce defective parts w···...

Two core techniques have traditionally defined jewelry manufacturing: handcrafting and lost-wax casting. While both methods deliver high-quality results, they demand extensive craftsmanship, are highly time-consuming, and leave little room for error—where even small mistakes can result in costly material and production losses.Today, however, digital design and 3D printing technologies are reshaping these traditional workflows. By integrating jewelry 3D printing into established production processes, manufacturers ···...

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···...