Elevators refer to permanent transportation equipment that serves several specific floors within a building, and their cars operate on at least two rigid tracks perpendicular to the horizontal or inclined to the vertical line at an angle of less than 15 °. There is also a stepped type, with step boards installed on tracks for continuous operation, commonly known as escalators or moving sidewalks. Fixed lifting equipment serving designated floors. A vertical elevator has a car that runs between at least two vertical or rigid guide rails with a tilt angle of less than 15 °. The size and structural form of the lift car facilitate passenger access or loading and unloading of goods. Traditionally, regardless of its driving method, elevators are considered as a general term for vertical transportation within buildings. According to speed, it can be divided into low-speed elevators (less than 4 meters/second), high-speed elevators (4-12 meters/second), and high-speed elevators (more than 12 meters/second)
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