Company Profile

Company Profile

Address: 1-2 Floors, 9th Biulding, Henan Zhengzhou Export Processing Zone

Main products: Diamond crystal growth, diamond tools, diamond testing equipment research, development, manufacturing

Bench Drill Technology (Zhengzhou) Co., Ltd. was established in July 2009 and is located on the 1st floor, Building 6, Export Processing Zone, Ninth Street, Jingkai District, Zhengzhou City, Henan Province. Co-founded by Dr. Yuan Zhi Zhong and Dr. Song Jianmin. The company is committed to the chemical vapor deposition (CVD) method to grow single crystal, polycrystalline artificial diamonds, dedicated to jewelry diamonds, diamond tools, diamond electrodes, diamond LED, diamond temperature plates, diamond wafers, such as research and production. The successful production of gem-grade CVD colorless/nearly colorless, colored large diamonds, HPHT high heat resistance, self-sharpening, machinable steel super diamond abrasives, samples sold to countries around the world. invention patents.

Bench Drill Technology

Dr. Yuan Zhizhong has been in the diamond business for more than 46 years. In New York, Taipei, Zhengzhou with identification and diamond growth, cutting and grinding factory. G.G., a research gemologist from GIA in the United States, and D.G.A diamond membership and teacher qualification Gem-A by the British gemological association, became a full member of the International Gemmology Conference(IGC) in 2009, and obtained dozens of new diamond styles and invention patents from all over the world. He has published hundreds of special reports in Chinese and English in various countries around the world, and published dozens of papers in Chinese and English in professional journals around the world.


Dr. Song Jianmin graduated from Massachusetts Institute of Technology and worked in GE and Norton for more than ten years. Engaged in diamond semiconductor, diamond crystal growth and diamond tools research, development, manufacturing. He has written more than 10 books on diamonds in both Chinese and English at home and abroad, published more than 100 speeches on diamonds in both Chinese and English, and obtained about 1000 invention patents.