Henan Huanghe Whirlwind Co., Ltd.

Henan Huanghe Whirlwind Co., Ltd. is a prominent manufacturer and trading company headquartered in Xuchang, Henan, China. Established in 1998 and operating as a joint venture with Japan's Osaka Diamond, the company has grown into a major industrial force with a workforce of 5,001 to 10,000 employees. The firm specializes in the production of superhard materials and cutting tools, including synthetic lab-grown diamonds, CBN powder, and diamond powder. With an impressive annual production capacity of 1.5 billion carats for diamond and CBN powder, the company supplies approximately 45% of the diamond tool factories in China. Operating from a large-scale factory equipped with advanced Swiss Ewag auto-grinding machinery, Henan Huanghe Whirlwind offers a comprehensive range of high-performance tools. Their product portfolio includes PDC cutters, drill bits for mining and water well applications, PCD and PCBN inserts, tungsten carbide tips, and silver welding rods. They also provide specialized components such as pyrophyllite blocks and concrete saw blades. The company is a key provider of both standard and non-standard superhard cutting tools, supporting OEM and ODM requirements through custom drawings. As a CE-certified manufacturer, Henan Huanghe Whirlwind maintains rigorous quality standards across its manufacturing processes. The company has a strong international presence, exporting its processed materials and components to major global markets including the United States, Japan, and various European countries. Their expertise in high-pressure high-temperature (HPHT) and CVD synthetic diamond technology positions them as a leading supplier for the mining, oil and gas, and metalworking industries.