1, yes. Nanxiang is located in the northwest of Shanghai, belonging to Jiading District, where there is a shop specializing in jade appraisal, so there is. Jadeite is a fibrous aggregate composed of pyroxene minerals mainly composed of jadeite minerals.

2. There are four national qualification certification institutions in Shanghai, which can carry out the authoritative certification of jadeite. The charging standard and the certificate issued by the authenticity authentication, each 20 yuan.

3. No.34 Yuanmingyuan Road, Shanghai; Jewelry and Jade Appraisal Center of Shanghai Central Laboratory of Ministry of Geology and Mineral Resources: No.418 Zhenda Road; Bao Zhong Gem Appraisal Center: Donghua Famous Diamond Jade Hall, No.61Lishui Road, Zhenbao Yinlou, No.789 Sichuan North Road; Jewelry and Jade Yuyuan Inspection Station: Floor 2, Huabao Building, No.59 Wenchang Road.

4. It can only help you detect the authenticity or fineness of jadeite, and will not help you "detect the price of jadeite".