Baseball caps developed along with baseball and are very, very popular in the United States. Most of the players defending the first team in the game wear a baseball cap, so many fans also wear their favorite team hat. After it became popular, it wasn't just baseball team hats anymore. Various styles and brands of baseball hats were popular around the world. Baseball caps developed along with baseball. Baseball is a ball game characterized by playing with a bat, with strong collective and adversarial characteristics. It is widely carried out internationally and has a significant impact, known as the "combination of competition and wisdom". Hat types: baseball hat, basin hat, casual hat, tennis hat, cowboy hat, children's hat, fashion hat, winter hat, knitted hat, etc. Test items NP/NPEO, lead (Pb), [SVHC 225 items] 1. UV resistance test 2. Quality test 3. Composition test 4. Fabric test 5. Color fastness test 6. Formaldehyde content test 7. pH value test 8 Heavy metal detection and detection standard GB/T 17837-1999 Clothing - Human head circumference measurement methods and hat size codes BS 5592-1978 Clothing size marking - Hats FZ/T 73002-2016 Knitted hats GOST 10151-1975 General technical conditions for fur decorations on women's clothing or hats SB/T 10949-2012 Straw hats SB/T 11187-2017 Classification of hats

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