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, 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···...

Global precious metal collection and investment market continues to heat up, with gold coins, gold nuggets, and commemorative coins becoming the core choices for overseas collectors and institutional investors due to their preservation properties and cultural value. Exquisite casting techniques and high-end packaging design have become key factors determining the competitiveness of product markets. Yihui Foundry deeply cultivates overseas markets, focusing on the casting of gold coins, gold nuggets, and commemorati···...

In the world of jewelry manufacturing, precision is everything. From the initial design concept to the final polished piece, every step requires meticulous attention to detail. At the heart of this process lies the moulding machine - an essential piece of equipment that forms the foundation for creating high-quality jewelry molds.What is a Moulding Machine?A moulding machine is specialized equipment designed to create precise molds for jewelry casting. These machines compress rubber or silicone materials around a m···...

In today's era, the rapid development of technology is reshaping various industries in an unprecedented manner. Traditional crafts are constantly seeking breakthroughs and innovations in the wave of technology. As an important representative of traditional crafts, the jewelry industry is facing a critical period of upgrading and transformation. With its advanced technology empowerment, Yihui Casting Equipment has become a new engine driving the upgrading of the jewelry industry, bringing new development opportu···...

Rough/wrinkled casting surface: 5 major causes+precise solutionsIn precision casting production, the surface quality of castings directly determines the appearance accuracy, density, and service life of products, and surface roughness and wrinkling are one of the most frequent surface defects. These types of defects not only affect aesthetics, but also increase the difficulty of subsequent processing, reduce coating adhesion, and in severe cases weaken the strength and corrosion resistance of castings, resulting in···...

From April 1 to 4, 2026, the highly anticipated JS Istanbul Jewelry Exhibition, which has attracted worldwide attention from the jewelry and precious metal industry, came to a successful conclusion at the Istanbul Expo Center. As a core industry event connecting Eurasian resources and driving innovation in precious metal casting technology, this exhibition gathered hundreds of high-quality exhibitors and professional buyers from around the world to explore cutting-edge industry trends and seek new cooperation oppor···...