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Huanghe Whirlwind Breaks Through Semiconductor Heat Dissipation Technology
May 11, 2026
The independently developed Diamond-Silicon Carbide Composite Material project by Henan Huang he Whirlwind has achieved major phased results, with core performance indicators reaching internationally advanced levels. The newly developed Diamond-Silicon Carbide Composite Material features a thermal conductivity exceeding 700 W/(m·K) and a low thermal expansion coefficient of 2.6 ppm/℃. It is highly matched with the 2.5 ppm/℃ thermal expansion coefficient of silicon chip substrates, successfully solving the core pain points of heat dissipation and thermal matching for high-computing-power chips. It provides an efficient heat dissipation solution for the continuous upgrading of AI computing power to the kilowatt level. In recent years, Huang he Whirlwind has taken the semiconductor heat dissipation track as the core direction of its strategic transformation, accelerating the industrialization process of high-value-added diamond heat dissipation materials. The Company launched the MPCVD Polycrystalline Diamond heat sink wafer project in May 2023; achieved R&D breakthroughs in 2–8 inch diamond wafers successively in 2024; and officially put into operation China’s first 8-inch diamond heat sink wafer production line on February 28, 2026, marking a crucial leap from laboratory technology to large-scale mass production. Huang he Whirlwind is also advancing the R&D of a series of heat dissipation materials such as...
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China’s First 8-inch Diamond Heat Sink Production Line Put into Operation
April 17, 2026
In May 2023, Huanghe Whirlwind launched the project “Development of CVD Polycrystalline Diamond Films for High-End Applications”. In May 2024, it achieved success in 2-inch diamond heat sinks, and then extended the technology to 6-inch and 8-inch products. On February 28, 2026, China’s first 8-inch diamond heat sink production line was officially put into production at Fengyouchuang.
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Henan Huanghe Whirlwind International Co., Ltd Will Attend Marble Izmir 2026
April 01, 2026
ZHENGZHOU, China–Henan Huanghe Whirlwind International Co., Ltd., a leading manufacturer of super-hard materials in China, has announced its participation in the 31st Marble İzmir– International Natural Stone and Technologies Fair, scheduled to be held from April 14 to 17, 2026, at Fuarizmir in Izmir, Turkey. The company will be exhibiting at Hall C, Booth C448. As one of the world’s most established and largest natural stone fairs, Marble Izmir has served as a premier global platform for the natural stone industry since its inception in 1995. The 2026 edition is expected to bring together over 1,100 exhibitors and attract more than 68,000 professional visitors from over 100 countries. Turkey possesses approximately 33% of the world’s natural stone reserves and is renowned for its diverse marble varieties, making the İzmir fair a strategically important event for the global stone industry. Henan Huanghe Whirlwind’s presence in this hall underscores its strong commitment to serving the stone processing tools market. The company will showcase its core product portfolio, with a particular emphasis on diamond micron powder and a range of super-hard material products. Diamond micron powder, recognized as the hardest industrial abrasive, serves as a critical raw material in the production of diamond...
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The Cutting Edge of Precision: Diamond Micron Powder
March 27, 2026
In the realm of industrial manufacturing and precision engineering, the ability to shape, cut, and polish the hardest materials on earth is paramount. At the heart of this capability lies a remarkable substance: diamond micron powder. Far from the gemstones adorning jewelry, this engineered material is the unsung hero behind the smooth finish of your smartphone screen, the precision of medical devices, and the efficiency of cutting tools. But what exactly is this ultra-fine abrasive? What is Diamond Micron Powder? Diamond micron powder refers to particles of diamond that are finer than 54 micrometers (µm). To put that in perspective, a human hair is about 70 micrometers wide. These particles, typically ranging from sub-micron sizes (less than 1µm) up to 100µm, are produced by crushing and purifying synthetic or, less commonly, natural diamond crystals. The resulting powder is graded with extreme precision to ensure a consistent particle size distribution, which is critical for its performance. While natural diamond powder exists, the vast majority used today is lab-grown. This synthetic production, often through high-pressure, high-temperature (HPHT) or chemical vapor deposition (CVD) methods, offers unparalleled advantages: consistent quality, controlled particle shapes, higher purity, and a more cost-effective and eco-friendly supply chain compared to mined...
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The Brilliant Choice: An Introduction to Loose Lab-Grown Diamonds
March 20, 2026
The world of fine jewelry is experiencing a revolution, and at its heart is the rising star of the loose lab-grown diamond. For centuries, the diamond industry was defined by the rarity and cost of stones pulled from the earth. Today, a new era of accessible, ethical, and stunningly beautiful diamonds is here, offering consumers a brilliant alternative without compromising on quality or sparkle. What Exactly is a Loose Lab-Grown Diamond? A loose diamond is simply a diamond that is not yet set into a piece of jewelry. This “unmounted” state allows buyers to closely inspect the stone and have complete control over how it is eventually set. When you combine this flexibility with lab-grown technology, you get a truly modern purchase. Lab-grown diamonds, also known as synthetic or cultured diamonds, are not imitations like cubic zirconia. They are real diamonds, sharing the identical chemical, physical, and optical properties as mined diamonds. The only difference is their origin. Instead of being formed over billions of years deep within the Earth, they are created in highly controlled laboratory environments using advanced technological processes that replicate nature’s method. The two primary methods are High Pressure-High Temperature (HPHT) and Chemical Vapor Deposition (CVD)....
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The Foundation of Precision: An Introduction to Monocrystalline Diamond Powder
March 12, 2026
In the realm of industrial abrasives and precision engineering, few materials command as much respect and utility as monocrystalline diamond powder. While often invisible in the final product, this engineered material is a fundamental building block of modern manufacturing, enabling the creation of everything from sleek smartphone screens to high-performance aerospace components. Monocrystalline diamond powder consists of individual, single-crystal diamond particles. Unlike polycrystalline diamond, which is composed of many small crystallites bonded together, each grain of this powder is a complete, intact crystal with a continuous lattice structure. These particles are typically synthesized in a laboratory using High Pressure High Temperature (HPHT) methods, a process that replicates the intense conditions under which natural diamonds form. The result is a material that boasts the highest possible hardness—a perfect 10 on the Mohs scale—along with exceptional thermal conductivity exceeding 2000 W/m·K and remarkable chemical inertness. The defining characteristic that sets monocrystalline powder apart is its friability, or the way it fractures under pressure. As a sharp, blocky particle begins to dull during a grinding or polishing process, it fractures in a controlled manner, creating fresh, new cutting edges. This self-sharpening property ensures a consistent cut and a high material removal rate, making...
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The Science of Perfection: Diamond Polishing Powder
March 04, 2026
In the world of precision manufacturing, the difference between a functional part and a perfect part often comes down to the final few microns. Achieving this level of flawless finish requires a material that is not only incredibly hard but also capable of operating on a near-atomic scale. This is the domain of diamond polishing powder—a specialized form of synthetic diamond that transforms rough surfaces into mirror-like finishes with unparalleled accuracy. Diamond polishing powder is, at its core, micron-sized or nano-sized particles of synthetic diamond, created through High Pressure High Temperature (HPHT) or Chemical Vapor Deposition (CVD) processes. However, unlike industrial grit used for cutting, polishing powder is engineered with extreme precision. Manufacturers rigorously control not just the size of each particle, but its shape, its friability (how it breaks down under pressure), and its surface chemistry. The goal is to create a consistent, uniform abrasive that can scratch a surface in a controlled way, gradually reducing the depth of those scratches until they are invisible to the naked eye and undetectable by touch. The applications for diamond polishing powder are as diverse as they are critical. In the world of gemology and lapidary, it is the secret behind the...
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The Eternal Choice: Unveiling the Beauty and Brilliance of Lab-Grown Diamond Rings
February 26, 2026
For centuries, the diamond has stood as the ultimate symbol of enduring love and commitment. Its unparalleled hardness and mesmerizing fire have made it the traditional centerpiece for engagement rings and milestone celebrations. Today, a revolutionary alternative is captivating a new generation of consumers: the lab-grown diamond ring. Offering the same breathtaking beauty and durability as mined stones, lab-grown diamonds represent a brilliant fusion of timeless romance and modern innovation. The most common misconception is that a lab-grown diamond is a “fake” or an imitation, like cubic zirconia. This is fundamentally untrue. A lab-grown diamond is chemically, physically, and optically identical to a mined diamond. Both are composed of pure carbon, crystallized in an isometric 3D form. The only difference lies in their origin. One is formed by nature over billions of years beneath the earth’s surface, while the other is created by man in a matter of weeks using advanced technological processes that replicate that exact natural environment. This process of creation brings with it a host of compelling advantages. For many, the primary draw is the ethical and environmental transparency. The journey of a lab-grown diamond is completely traceable. It is created without the large-scale environmental disruption associated...
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