Baijian Testing has an indoor testing room of 3600 square meters and an outdoor testing field of 3000 square meters, equipped with multiple sets of high-voltage testing systems such as power frequency series resonance, DC voltage, impulse voltage, etc. It has the ability to detect the physical structural performance, mechanical performance, electrical performance, combustion performance, signal transmission performance, aging and environmental resistance performance, and material performance of various wires and cables. It can conduct type tests, performance verification Pre qualification testing and other testing services, and customized testing can be carried out according to customer requirements. The testing product categories of the laboratory include: wires and cables for electrical equipment, power cables and accessories with a rated voltage of 500kV and below, bare wires and their products, overhead insulated cables, optical fiber cables, communication cables, fire-resistant and flame-retardant cables, marine cables, mining cables, raw materials for wires and cables, etc. （1） DC resistance test, insulation resistance test, structural size measurement, mechanical performance test of insulation and sheath, thermal aging test, air bomb (oxygen bomb) aging test, water absorption test, shrinkage test, low temperature test, thermal extension test, ozone aging test, high temperature pressure test, cracking resistance test, weight loss test, thermal stability test, bending test, wear resistance test Bending test, twisting test, etc. （2） AC withstand voltage test, partial discharge test, impulse voltage test, DC withstand voltage test, thermal cycling (voltage) test, capacitance measurement, dielectric loss angle tangent measurement, permeability test, pre qualification test, etc. for power cables and their accessories. （3） Tensile test, torsion test, winding test, coating continuity test, coating adhesion test, metal material resistivity test, etc. for bare wires and their products. （4） Flame retardant and fire-resistant cable bundle combustion test, single flame test, fire resistance test, smoke density test, determination of total amount of halogen acid gas, pH value and conductivity measurement, fluorine content measurement, etc. （5） Low frequency electrical characteristics such as DC resistance, DC resistance imbalance, working capacitance, and ground capacitance imbalance of digital communication cables and coaxial cables, as well as high-frequency transmission characteristics such as attenuation, near end crosstalk, far end crosstalk, characteristic impedance, and return loss. （6） Optical fiber cladding and core diameter measurement, out of roundness, concentricity error measurement, and other geometric parameters, as well as transmission characteristics such as attenuation, cutoff wavelength, wavelength dispersion, and mode field diameter measurement. （7） Melt index test, thermal stability test, oxygen index test, Vicat softening temperature measurement, carbon black content measurement, low-temperature brittleness measurement, Shore hardness measurement, etc. of rubber and plastic materials for cables
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