The old bridges are being demolished, and there's no need to blast the entire earth. It’s just a diamond wire saw—so easy to use that it can cut through a boiled egg with a thin wire. The structure can be broken into several pieces, which not only reduces noise but also minimizes pollution. Building materials like masonry from the bridge can even be reused. This diamond wire saw is so efficient because it uses the hardest substance on Earth—diamond.
In the exhibition hall of Zhengzhou Huajing Diamond Co., Ltd. (Zhengzhou Huajing), two such diamond wire saws are on display. These tools have found wide applications in mining, demolition of old buildings, and stone cutting. Alongside the wire saws, the exhibition also showcases diamond grinding wheels, synthetic diamonds, and diamond micro powder, highlighting the company’s full range of diamond-based products.
Founded in December 2004, Zhengzhou Huajing is a high-tech enterprise focused on the research, development, production, and sales of synthetic diamonds and related raw materials. In March 2010, the company was officially listed on the Shenzhen Stock Exchange.
As one of China's "Big Three" in the superhard abrasive industry, Zhengzhou Huajing has built its foundation on the ability to turn stone into crystal. Its strong technical support is at the core of its competitive advantage.
The company's competitive edge is like a golden diamond at the center of the exhibition hall—eye-catching and powerful. With eight distinct sections, each highlights different aspects of its technological strength.
Zhengzhou Huajing has established long-term cooperation with nine research institutes and universities, and it hosts an academician workstation—the only one in the domestic industry. It has invited renowned academicians such as Zou Guangtian, Wu Yangjie, and Shen Dezhong to guide its R&D efforts.
The company's technology center has been recognized by five national ministries as a state-level enterprise technology center. It also operates the only nationally recognized laboratory in the industry, equipped with advanced testing equipment and certified by the China National Accreditation Service for Conformity Assessment.
Zhengzhou Huajing holds the only international invention patent in its field. It has developed a complete set of equipment and technologies for diamond production, including the six-face press. As of June 2013, the company had received 376 patents, including 14 domestic invention patents and 1 international invention patent—placing it at the top in the industry.
The company also leads in diamond synthesis equipment. Its independently developed six-sided top press with a combination of cylinder and beam is the most advanced in the country. Models HJ-650 and HJ-1000 are the largest and most efficient in the nation.
Zhengzhou Huajing has won numerous awards for its technology and products. Its testing center is recognized by CNAS, and its test results are accepted globally. The company has contributed to the formulation of seven industry standards and has won multiple provincial and national science and technology awards.
Synthetic diamonds are a key industrial material, and their consumption reflects a country's level of industrial development. Henan Province's "Twelfth Five-Year Plan for Strategic Emerging Industries" emphasizes the development of high-grade diamonds and the expansion of the superhard materials industry chain.
Zhengzhou is also focusing on the new materials industry. The city's "Zhengzhou New Material Industry Development Plan" aims to build a super-hard materials cluster centered around the Zhengzhou High-tech Zone.
With government support, Zhengzhou Huajing is positioned to become a leading global synthetic diamond producer. The company's vision is to establish itself as a world-class base for synthetic diamond R&D and production, creating a first-rate enterprise that covers equipment, raw materials, and diamond products.
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