Authority. According to the public network, Qingdao Yan 'an Third Road Gold Jewelry Appraisal is an authoritative jewelry appraisal institution in Qingdao, and four quality inspectors have the qualifications of national registered jewelry and jade quality inspectors, so Qingdao Yan 'an Third Road Gold Jewelry Appraisal Center is authoritative. Gold jewelry is an ornament made of gold, which is a precious metal and one of the earliest metals discovered and developed by human beings.