Yuan Tung goes to Taiwan Gemological Institute to teach DGA diamond course
Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, was invited by Taiwan Gemological Institute to teach DGA diamond course at Gemological Institute from March 23 to 27, 2015.
During the four-day course, Yuan Dong taught the students the latest and most practical gem courses. In the four-day intensive course, both theory and practice of Yuan Dong were combined to teach the most essential parts of gem knowledge: 1. Various grades of gemstones and understanding the standards of 4C rating of gemstones. 2. The sales pipeline and valuation method of gemstones. 3. Understand the categories and identification methods of gemstone imitations. 4. Teach students how to use conventional instruments to identify the most difficult to detect (synthetic gems) on the public. After the four-day course, the students all said that they had benefited a lot in the four days, and Yuan Dong's course was well received by the students.
To participate in the "2011 Beijing International Lighting Exhibition" exhibition held in Beijing
Participate in the "7th Guangzhou International LED Exhibition (LED CHINA 2011)" exhibition held in Guangzhou
To participate in the "Japan International Electronic Products Exhibition" held in Tokyo, Japan"
Participated in the "Twelfth China International High-tech Achievement Fair" held in Shenzhen and won the "Excellent Product Award" certificate
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!
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.