Hunan Hengyang Auction House 1: Located at Jiefang Road 15 1, Hengyang City, it is a professional auction house that can provide jade appraisal and trading services.

2. Hengyang Jade Appraisal Center: located in Wenhua Road, Zhuhui District, Hengyang City, it is a professional jade appraisal institution, providing related services such as true and false appraisal, quality evaluation and appraisal certificate.

3. Hengyang Cultural Market Comprehensive Law Enforcement Brigade: Located in Wenhua Road, Zhuhui District, Hengyang City, it is a government agency that can provide jade identification, law enforcement supervision and other services.