Testing items:

Partial parameters, all items, partial items, all parameters, weight deviation per 100 meters, breaking strength, single yarn breaking strength variation coefficient, weight variation coefficient per 100 meters, combed cotton natural color sewing yarn, breaking strength variation coefficient, linear density deviation rate, single yarn breaking strength, linear density variation coefficient, total number of impurities in blackboard cotton knots, single yarn breaking strength, single yarn breaking strength variation coefficient, single yarn breaking strength and variation coefficient, linear density deviation rate and variation coefficient, yarn uniformity variation coefficient, kilometer cotton knot, twist variation coefficient

Testing standards:

1. FZ/T 12002-2006 Cotton natural color sewing yarn FZ/T 12002-2006

2. FZ/T 12002-2017 Combed cotton natural color sewing yarn FZ/T 12002-2017

3. FZ∕T 12002-2017 Combed cotton natural color sewing yarn

4. GB/T 9996.2-2008 Total number of impurities in blackboard cotton knots

5. FZ/T 12002-2017/5.3 Linear density deviation rate and coefficient of variation

6. FZ∕T 12002-2017 Combed cotton natural color sewing yarnFZ∕T 12002-2017

7. FZ/T12002-2006 Combed cotton natural color sewing yarn

8. FZ/T12002-2017 Combed cotton natural color sewing yarn

9. GB/T 3916-2013 Single yarn breaking strength, single yarn breaking strength variation coefficient

10. Combed cotton natural color sewing yarn FZ/T12002-2006 Partial parameters

11. FZ/T12002-20175.3 Combed cotton natural color sewing yarn

12. GB/T9996.2-2008 Blackboard inspection method for appearance quality of cotton and chemical pure and blended yarns Part 2: Separate evaluation method

13. FZ/T 12002-2006 Combed cotton natural color sewing yarn

14. FZ/T 12002-2017 Combed cotton natural color sewing yarn

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