This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation, and storage of ramie natural color yarn (hereinafter referred to as "ramie yarn"). This standard is applicable to the evaluation of the quality of ramie long fiber yarn produced by ring spinning machines, including ramie double strand yarn, triple strand yarn, and conventional multi strand yarn. This standard is not applicable to identifying the quality of special purpose ramie yarn. 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/T 2543.1 Textiles - Determination of Yarn Twist - Part 1: Direct Counting Method GB/T 3916: Determination of Single Yarn Breaking Strength and Elongation at Break (CRE Method) GB/T 4743- Determination of Yarn Twist Normal Linear Density of Textile Yarns (GB 5296.4) - Instructions for Use of Consumer Goods - Part 4: Rules for Rounding off Values of GB/T 8170 for Textiles and Clothing - Representation and Determination of Limit Values (FZ/T 32002-2014)

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