1, good material selection. YEATION is very strict in the selection of jadeite, and will evaluate it according to its color, transparency, texture and other aspects to ensure that the selected jadeite is the best.

2. Strong professionalism. The staff of Lao Guo Jewelry and Jade Training Center have high professional knowledge, and will provide customers with suggestions on jade maintenance and identification, so that customers can better understand and master jade knowledge.