This standard specifies the product classification, requirements, testing, inspection rules, marking, packaging, transportation, and storage of long fiber ramie natural color yarn (hereinafter referred to as ramie yarn). This standard is applicable to identifying the quality of ramie yarn produced by ring spinning machines. Long fiber polyester hemp blended natural color yarn (hereinafter referred to as polyester hemp yarn), please refer to Appendix A. 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 2910.11-2009 Textiles, Quantitative Chemical Analysis: Part 11: Mixtures of Cellulose Fibers and Polyester Fibers (Sulfuric Acid Method) GB/T 3292.1 Textiles - Test Methods for Uneven Yarn Lines - Part 1: Capacitance Method - GB/T 3916- Determination of Breaking Strength and Elongation at Break of Single Yarn of Textile Wrapped Yarn - GB/T 4743- Determination of Linear Density of Twisted Yarn of Textile Wrapped Yarn - GB 5296.4- Instructions for Consumer Use - Part 4: Rules for Rounding off of GB/T 8170 Values and Representation and Determination of Limit Values - GB/T 9995- Determination of Moisture Content and Moisture regain of Textile Materials - Oven Drying Method (FZ/T 01053) Identification of fiber content in textiles

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