A bottom shirt is something that can be worn directly on the body, with an inner layer of underwear (such as a bra) that can be paired with any clothing that fits snugly. Generally, it is all called a bottom shirt. It is a T-shirt or sweater that fits snugly inside and can be paired with any coat. A bottomed shirt is a clothing that looks good inside a sweater or suit, while bottomed pants are tight pants that are worn with a long top and look like quarter pants. Generally referred to as a base shirt Classified from a functional perspective, it can be pided into shaping bottoms and regular bottoms. Shaping bottom shirts have both shaping and matching functions, as well as external wearing functions, while regular bottom shirts are used for clothing matching. From a material perspective, it can be pided into wool, cotton, and synthetic fibers, with most body shaping bottoms made of animal and plant fiber blends. From the perspective of function, it can be pided into shaping bottoms, warm bottoms, and matching bottoms. Shaping bottoms combine the above advantages. From the perspective of decorative parts, shaping bottoms can be pided into corrective, adjustable, and covering types. Ordinary bottoms are mainly warm. From the perspective of size, molded bottoms are often classified as one size fits all, while regular bottoms are often classified into sizes such as large, medium, and small due to poor elasticity. Test items (partial) include color difference, size deviation, formaldehyde content, decomposable aromatic amine dyes, color fastness to water, color fastness to soap, color fastness to sweat, color fastness to friction, printing color fastness to friction, mold resistance, antibacterial, and fabric composition analysis

Testing standards: 1CCGF 102.6-2015 underwear 2FZ/T 70011-2006 knitted thermal underwear logo 3FZ/T 70012-2016 one-time forming seamless underwear size 4FZ/T 72022-2017 high elastic body shaping underwear knitted fabric 5FZ/T 73006-1995 acrylic knitted underwear 6FZ/T 73016-2013 knitted thermal underwear flocculent type 7FZ/T 73019.1-2017 knitted body shaping underwear elastic type 8FZ/T 73019.2-2013 knitted body shaping underwear adjustment type 9FZ/T 73022-2012 knitted thermal underwear 10FZ/T 7302 4-2014 chemical fiber knitted underwear

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