This part stipulates the terms and definitions, basic principles, service provider requirements, after-sales service content requirements, and after-sales service methods for precious metal jewelry after-sales service. This section applies to companies selling precious metal jewelry within the Precious Metal and Jewelry and Jade Jewelry Enterprise Standard Alliance.
T/SZS 4019.1-2020 history
2020T/SZS 4019.1-2020 Specification of after-sales service for precious metal adornment Part 1:General principle