
Testing standards
GB3131-88
Tin lead solder
GB4023-86
Semiconductor discrete devices Part 2: Rectifier diodes
GB4024-83
Test methods for reverse blocking triode thyristors in semiconductor devices
GB4586 94
Semiconductor devices Discrete devices Part 8: Field effect transistors
GB4587 94
Semiconductor devices Discrete devices and integrated circuits Part 7: Bipolar transistors
GB6570-86
Testing methods for microwave diodes
GB6571 94
Semiconductor devices - Discrete devices - Part 3: Signal (including switches) and adjustment diodes
GB9491-88
Liquid soldering flux (rosin based) for soldering
GB11499 89
Text symbols for discrete semiconductor devices
GB123000-90
Test method for safe working area of power transistors
GJB33A-97
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