Please ask Baidu for the specific address: Chongqing Jewelry and Jade Appraisal Center, with detailed results. Baidu knows that it can't answer such questions directly, otherwise it will be regarded as an advertisement and banned.
Jewelry Center of Chongqing Institute of Metrology and Quality Inspection, No.2 Guanyinqiao Second Village, Jiangbei District, Chongqing, 100 yuan or so. You will doubt whether it is fake before buying it. Find acquaintances to buy jade, and you can get it cheaply.