There are many jade appraisal institutions in Chongqing. Here are some options:

1. Chongqing Institute of Cultural Relics Appraisal and Evaluation is located at No.2 Hongfeng Road, Chayuan New District, Nan 'an District, Chongqing.

2. Chongqing Jade Appraisal Center, located at 5- 130 1, Building 5, Jiutian International Business Center, Xinglong Avenue, Longxing Town, Yubei District, Chongqing.

3. Chongqing Yuheng Jewelry and Jade Appraisal Center is located at No.2-9, Floor 2, Hall C, Longhu Times Street, Wanglongmen Street, Yuzhong District, Chongqing.

Please select the appropriate organization for evaluation according to your specific situation and needs.