Terms and definitions, requirements, test methods, inspection rules and marking, packaging, transportation, storage and quality certificates for precious metal products. Applicable to gold products with a gold content of 99.0%, 99.9%, 99.99%, and 99.999%, and silver products with a silver content of 99.0%, 99.9%, and 99.99%, including strips, seals, coins, banknotes, handicrafts, ornaments, etc.