Chinese National Standards

1. Mandatory Safety and Hygiene Standard GB 4806.9-2016 “National Food Safety Standard: Metal Materials and Products for Food Contact”

Material Requirements: Clearly stipulates migration limits for heavy metals (e.g., lead, chromium, nickel, cadmium, arsenic) in stainless steel used for food contact, ensuring no excessive harmful substances leach into food or beverages during use.

Product Requirements: Mandates labeling requirements, stipulating that products or their smallest sales packaging must bear the words “For Food Contact Use” and specify the stainless steel type (e.g., “304 Stainless Steel,” “316 Stainless Steel”).

2. Recommended Product Performance Standard QB/T 2332-2023 “Stainless Steel Vacuum Insulated Containers”

This standard specifies the terminology, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for stainless steel vacuum insulated containers (including thermos cups, thermos bottles, thermos jugs, etc.).