Henan Diamond Dream Trading Co., Ltd.
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Henan Deyun Supply Chain Technology Co., Ltd.
🇨🇳 China
202111-50 peopleManufacturer/Trading CompanyProduct customization
Eco-friendly supplier
OEM manufacturer
Shipments
73
Key customer
SHREE RAMKRISHNA EXPORTS
Key market
🇮🇳 India
Description
Henan Deyun Supply Chain Technology Co., Ltd., operating under the brand Crown Diamond, is a specialized manufacturer and trading company based in Zhengzhou, Henan Province—a region recognized as the Diamond Capital of China. Established in 2021, the company focuses on the production and distribution of lab-grown diamonds, including High Pressure High Temperature (HPHT) and Chemical Vapor Deposition (CVD) varieties. Their product portfolio features loose diamonds, uncut rough diamonds, and custom diamond jewelry, all engineered to match the physical, chemical, and optical properties of natural stones. Henan Deyun Supply Chain Technology Co., Ltd. operates a factory in Zhecheng County with over 10 production lines and maintains a workforce of 11 to 50 employees, including a dedicated R&D team. The company provides OEM and contract manufacturing services, utilizing advanced laboratory technology and hand-polishing techniques that adhere to the 4C diamond grading standards. With an annual output value between US$10 million and US$50 million, the firm has established a robust international trade presence, collaborating with global wholesalers and international freight partners to provide secure supply chain solutions for the jewelry industry.
China Synthetic Diamond Polished Loose Diamonds for Jewelry$90
China Factory Price Lab Grown Rough Diamond$30
Wholesale Def Color Round Lab Grown Diamond Loose Diamond$90
Wholesale Price China Man Made Lab Grown Rough Diamond for Sale$30
Best Price Lab Diamonds for Sale$30
Igi Certificate White Round Loose Diamond$800
Henan Harmony Industry Diamond Co., Ltd.
🇨🇳 China
200951-100 peopleManufacturer/Trading CompanyProduct customization
OEM manufacturer
Shipments
96
Key customer
SAMYANG
Key market
🇷🇺 Russia
Description
Henan Harmony Industry Diamond Co., Ltd. is a manufacturer and trading company based in Zhengzhou, China, specializing in industrial diamonds, cBN, and related superhard materials. Established in 2009, with some sources indicating 2015, the company employs between 51 and 100 people and operates a factory. They are committed to high ethical standards and are ISO 9001 certified. Their core business involves the synthesis and processing of synthetic diamond super materials, utilizing high pressure high temperature (HPHT) synthesis. The company offers a wide range of products including Synthetic Industrial Diamond (micron, saw grit, resin bond, polycrystalline, nanodiamond, spherical, coated, mesh diamonds), cBN Powder & Insert (micron, mesh, coated cBN powders, cBN/PcBN inserts), and Diamond Wheel Dressers. They also provide ultra-thin diamond cutting discs, diamond/cBN grinding wheels, diamond slurry, and diamond polishing pads. These materials are used in applications such as cutting, grinding, drilling, shearing, and polishing across various industrial sectors including automotive, aerospace, oil & gas drilling, mining, electronics, road maintenance, stone and construction, and wood-working. Henan Harmony Industry Diamond Co., Ltd. offers OEM services and has a strong focus on research and development, aiming to deliver customized, innovative high-performance products to its customers. The company has an export-oriented business model, serving international markets including North America, South America, Eastern Europe, Southeast Asia, and Western Europe.
Irregular Shape Rvd Mesh Diamond Powder Zhengzhou Synthetic Diamond Abrasives for Diamond Grinding Wheel$0.02
China Factory Polycrystalline Diamond Powder Industrial Synthetic Diamond Abrasives for Semiconductor$0.69
Blasting Polycrystalline Synthetic Diamond Powder for Ultra-Precision Grinding and Polishing Sapphire$0.69
Premium Polycrystalline Diamond Powder Industrial Synthetic Diamond Grit for Semiconductor$0.69
Saw Grit Diamond Powder Hthp Monocrystal Diamond Grit for Saw Blade$0.05
Metal Bonded Ultrathin Diamond Cuttingwheel Diamond Cutting Wheel for Valve Stem$19
Resin Bonded Ultra Thin Diamond Cutting Disc Diamond Cuttingdisc for Optical Glass$19
Copper Plated Metal Bonded Diamond Cuttingwheel Ultrathin Diamond Cutting Wheel$19
Resin Bonded Ultra Thin Diamond Cutting Disc Diamond Cuttingdisc for Quartz Crucible$19
Resin Bonded Ultra Thin Diamond Cutting Disc Diamond Cuttingdisc for Quartz and High Borosilicate Glass Tube Processing$19
Cu Ti Ni Coated & Uncoated Diamond Powder Mesh & Micron Diamond Abrasives$0.05
Titanium Coated Synthetic Diamond Powder for Diamond Tools Ti Ni Cu Cladding Diamond Grit$0.05
