This standard specifies the product size, requirements, testing, judgment rules, product usage instructions, packaging, transportation, and storage of thermal socks. This standard is applicable to identifying the quality of warm socks. The following normative references are essential for the application of this document. For dated references, only the dated version applies to this document. For undated references, the latest version (including all modification orders) applies to this document. GB/T4856 Packaging of Cotton Knitted Fabrics GB 5296.4 Instructions for Use of Consumer Goods Part 4: Textiles and Clothing GB/T6529 Standard Atmosphere for Humidity Control and Testing GB/T8170 Rules for Rounding off Values and Representation and Determination of Limit Values GB/T8629-2001 Household Washing and Drying Procedures for Textile Testing GB/T12704.1-2009 Textiles - Test Methods for Moisture Permeability of Fabrics Part 1: Moisture Absorption Method GB/T21655.1 Evaluation of Moisture Absorption and Rapid Drying of Textiles Part 1: Single item Combination Test Method

Function of testing report:

1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report

2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms

3. Used as a sales report: issuing legally effective testing reports to make consumers more confident

4. Papers and research: Provide professional personalized testing needs

5. Judicial services: providing scientific, fair, and accurate testing data

6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problems

100% inspection and testing process:

1. Telephone communication and confirmation of requirements

2. Recommend solutions and confirm quotations

3. Mail samples and arrange testing

4. Progress tracking and result feedback

5. Provide reports and after-sales service

6. If urgent or priority processing is required

Testing and testing characteristics:

1. The testing industry is fully covered, meeting different testing needs

2. Fully cover the laboratory and allocate localized testing nearby

3. Engineers provide one-on-one services to make testing more accurate

4. Free initial testing, with no testing fees charged

5. Self service order delivery for free on-site sampling

6. Short cycle, low cost, and attentive service

7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc

8. The testing report is authoritative and effective, and is generally used in China