I can't watch it. No, according to the inquiry of Huajin State Inspection official website, the certificate has no inspection date, only the date of issuance and is stamped. The national inspection certificate of jewelry does not see the inspection time. Huajin Guojian Gold, Silver and Jewelry Inspection Center Co., Ltd., established on 20 13, located in Shenzhen, Guangdong Province, is an enterprise mainly providing professional technical services.