The skin is an organ that wraps around the surface of the body, directly in contact with the external environment, and has functions such as protecting, excreting, regulating body temperature, and feeling external stimuli. Hair is the largest organ in the human body. Hair is derived from the differentiation of hair matrix cells in the lower part of the hair bulb and is divided into hard hair and vellus hair. Hard hair is coarse and hard, with a strong color and medulla, and can be divided into long hair and short hair, such as hair and armpit hair; Short hair such as eyebrows, nose hair, etc. The vellus hair is fine and soft, with a light color and no medulla, commonly seen in the trunk. Most of the human body is covered with hair, while the palms, soles of feet, lips, nipples, and some external genital areas do not have hair. The thickness, length, density, and color of hair vary with location, age, gender, physiological status, race, etc. A normal person has 60000 to 100000 hairs
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 problemsBaijian 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 requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. 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