Xuzhou has an authoritative appraisal institution for national qualification certification, but there is only one. Name: Xuzhou Technical Supervision Bureau Gold and Silver Jewelry Quality Inspection Station.

Address: Hubei Road, Xuzhou City, Jiangsu Province. Generally, the appraisal of this Hetian jade instrument takes one hour, and the charging standard is 20 yuan/piece. But only the authenticity is identified, that is to say, whether Hetian jade is judged or not, and the authenticity of mountain material, seed material and skin color is not specifically distinguished for detailed identification.