Chief expert of psychic jade handed down from ancient times. China geological experts, famous jewelry experts and the industry are honored as "Jade King". Former Vice President of Jade Branch of China Gemstone Association. Mr. Ma Chongren/KLOC-0 was born in Tengchong, Yucheng in 1940, and/KLOC-0 graduated from the Geology Department of Kunming University of Science and Technology in 1963. 199 1 year, member of the Gemstone Professional Committee of China Gemstone Association (now Gemstone Jewelry Industry Association), member and deputy director of Gemstone Professional Committee of China Gemstone Association. The jewelry market has been gambling on jade for more than 40 years and 20 years. The theory of image jadeite is established, and six elements to identify jadeite quality are put forward, which becomes the authoritative standard to identify jadeite quality. In 2006, Yunnan University Press published a book "Listen to the Jade King and Talk about Jade" based on his field investigation and research experience.