Yuan Dong was invited to attend the 18th Superhard Material Technology Development Forum


Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, was invited to Taiyuan City, Shanxi Province from 10.14 to 10.17 to attend the 18th Superhard Material Technology Development Forum, and delivered a speech entitled "Introduction of Microwave Plasma Chemical Vapor Deposition Technology for Making Single Crystal and Polycrystalline Diamond and Description of Research and Development Projects of Bench Diamond Technology Company.

In the speech, Yuan Dong introduced in detail the history and principle of chemical vapor deposition, as well as the current development status of MPCVD, and how to use microwave plasma chemical vapor deposition to produce single crystal, polycrystalline diamond and bench drill technology research and development project description. Yuan Dong's speech was unanimously praised by the participants. After the speech, the venue burst into warm applause. All participants said they benefited greatly.

苑董应邀参加第十八届超硬材料技术发展论坛

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Yuan Dong was invited to give a lecture at the Appraisal Institute of Taiwan Gemological Institute.

Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, gave a lecture entitled "Identification of Gem Diamonds Cultivated by CVD Method" at the Appraisal Institute on the 11.9 at the invitation of the Appraisal Institute of Taiwan Gemological Institute. In the lecture, Yuan Dong introduced in detail the historical principles of CVD diamonds and their development status, and introduced in detail several methods to distinguish CVD diamonds from natural diamonds on how to identify gem-grade CVD diamonds that participants are concerned about! Yuan Dong's wonderful speech was well received by the participants!


Yuan Dong Attends the Symposium at the Invitation of Hangzhou Jewelry City

Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, was invited by Hangzhou International Jewelry City to attend an academic symposium on November 19, 2013. At the symposium, Yuan Dong gave a speech entitled "International Situation and Identification of CVD Synthetic Diamonds" on the current situation of CVD synthetic diamonds that jewelers are concerned about and how to distinguish CVD diamonds from natural diamonds. In the speech, Yuan Dong introduced in detail the history of CVD diamonds, the international situation of CVD diamonds and the commonly used identification methods of CVD diamonds, and answered some questions raised by jewelers. Mr. Yuen's speech was well received by the participants, and all jewelers said they benefited.