A self-locking device is a type of fall protection device that is longer than a combination of a safety belt and a safety fixed lifting rope, and is used for fall protection during the climbing process of high-altitude workers. The self-locking device consists of a self-locking hook, a lanyard, and a hook. The self-locking hook is composed of a rope ring, self-locking tongue, swing lock, tongue safety, latch safety, retaining ring, frame, latch, torsion spring, and push handle. The locking hook of the self-locking device is hung on a lifting rope fixed at a height of the building structure, and the hook hooks the belt ring or safety hook. The lifting rope is made of specially woven nylon rope, which consists of two parts: the rope core and the protective layer. The rope core bears the tension, and the protective layer can protect the rope core from wear and tear by the tongue teeth
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