Henan Huanghe Industrial Group Co., Ltd. was founded in 1979 and has now developed into a large national enterprise with total assets of 2.8 billion yuan and over 6,100 employees. The company's main products are synthetic diamonds and diamond products, with an annual production capacity of 1.5 billion carats of synthetic diamonds. It is the largest diamond production base in China, ranking first in the industry domestically and third in the world. The company has a national enterprise technology center, an enterprise post-doctoral research workstation, and is a national high-tech enterprise. It has 22 subsidiary companies located in Changge, Zhengzhou, and Shanghai.
One of its subsidiary companies, Henan Huanghe Whirlwind Co., Ltd. Superhard Tools Company, was jointly established by Henan Huanghe Industrial Group Co., Ltd., Osaka Diamond Industrial Co., Ltd. of Japan, and Zhengzhou Abrasives Grinding Research Institute. It was listed on the Shanghai Stock Exchange on November 26, 1998, with stock code 600172.
The company is a key high-tech enterprise under the national Torch Plan and has a national enterprise technology center, an enterprise post-doctoral research workstation, and a Shanghai R&D center. Its main products include superhard materials (synthetic diamonds, CBN, PCD, coated diamonds, diamond micro-powder, CBN micro-powder), diamond products, UDS series diamond presses, construction machinery, special vehicles, and automation control devices, totaling 146 varieties in six categories. In recent years, it has won two National Gold Awards, 76 national patents, and eight scientific and technological progress awards. The "Whirlwind" brand series products are sold well in developed countries such as Japan, the United States, and Europe, as well as in Southeast Asian markets. They are the leaders in the synthetic diamond and diamond product industry. The "Whirlwind" brand synthetic diamond was awarded the "Henan Province Famous Brand Product" in 2002, "China Famous Brand Product" in 2004, and again in 2007. The company was rated as a "National Quality Management Advanced Enterprise" by the General Administration of Quality Supervision, Inspection and Quarantine.
In December 2001, the company passed the ISO9001:2000 quality system certification. In February 2004, it passed the ISO14001:1996 "Environmental Management System" and OHSAS18001:2001 "Occupational Health and Safety Management System" certification. In February 2005, it passed the ISO10012:2003 measurement management system certification.
Superhard composite materials are the latest technology and process introduced by our company from abroad. With international advanced production equipment, processing technology, and testing methods, combined with our company's strong technical, financial, talent, and equipment advantages, we have successfully developed PDC, PCD, and PCBN series products. These products are widely used in the petroleum drilling, geological exploration, tool, coal mining, and machinery processing industries. The product quality has been appraised by national authoritative departments and has reached international advanced level. The company has complete equipment, including laser cutting machines, wire cutting machines, grinding machines, and mirror polishing machines. The company is a large-scale listed company with a good reputation and excellent quality as the cornerstone of its development.
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