BAIJIAN - Third party testing organization
GB 12971.5-1991#Contact wires for electric traction - Part 5: Aluminum alloy contact wires - Electrical properties of contact wire types - Electrical resistivity
GB 12971.5-1991#Contact wires for electric traction - Part 5: Aluminum alloy contact wires - Electrical performance of contact wire types - DC resistance
GB 12971.5-1991#Contact wires for electric traction - Part 5: Aluminum alloy contact wires - Electrical performance of contact wire types - Current carrying capacity
GB 12971.4-1991#Contact wires for electric traction - Part 4: Steel, aluminum, and aluminum alloy composite contact wires - Electrical performance of contact wire types - Current carrying capacity
GB/T 12971.1-2008#Contact wires for electric traction - Part 1: Copper and copper alloy contact wires - Electrical performance of contact wire types - DC resistance
GB/T 12971.2-2008#Contact wires for electric traction - Part 2: Steel and aluminum composite contact wires - Electrical properties of contact wire types - Electrical resistivity
GB/T 12971.2-2008#Contact wires for electric traction - Part 2: Steel and aluminum composite contact wires - Electrical performance of contact wire types - Current carrying capacity
GB 12971.4-1991#Contact wires for electric traction - Part 4: Steel, aluminum, and aluminum alloy composite contact wires - Electrical properties of contact wire types - Electrical resistivity
GB 12971.4-1991#Contact wires for electric traction - Part 4: Steel, aluminum, and aluminum alloy composite contact wires - Electrical properties of contact wire types - DC resistance
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 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 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