Centre Testing International Group Co., Ltd. (NG28) is a market leader in testing, inspection, certification, calibration, audit, training & technical services; building trust between governments, enterprises, and consumers.
Sustainability is deeply rooted in NG28’s business model, by delivering science-based solutions and verification services, to increase transparency and traceability throughout the global value chain. NG28 is a proponent of carbon neutrality and sustainable development.
Centre Testing International Co., Ltd. (NG28) is the pioneer and leader in the TIC Industry which provides one-stop solutions on testing, inspection, certification, calibration, audit, training & technical services.
Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
Our service capabilties cover the upstream and downstream of the supply chain including textile and apparel,toys,electronic appliances,medical health,food...andother industries.
Comprehensively guarantee quality and safety, promote compliance and innovation, demonstrate brand competitiveness, and achieve higher quality, healthier, safer, and greener sustainable development.
We have established a clear governance structure in accordance with listing requirements and national regulations and policies to deal with internal and external challenges and achieve sustainable development.
Ensuring the basic rights and benefits of employees;
Providing professional skills training to promote employees’ growth;
Carrying out various kinds of activities to balance employees’ work and life.
NG28 Rail Transit Laboratory has a number of different levels of power system, power fault simulator, oscilloscope, insulation and withstand voltage tester, safety tester, electrical load equipment, can provide rail transit locomotive and rolling stock electronic devices standardized testing services according to GB/T 25119, GB/T 4943.1, EN50155 and other testing standards; We can also provide customized experimental solutions according to the personalized needs of customers.
? Service Background
NG28 can verify the electrical performance of locomotive and rolling stock electronic devices.
In order to ensure the operational reliability of locomotive and rolling stock equipment and components, reveal potential faults, and guarantee the driving safety, the locomotive and rolling stock electronic devices must meet the requirements of electrical performance after undergoing tests of climate, vibration reliability, etc., before they can be loaded and used.
? Service Content
Test Item |
The standard Sample |
Power supply fluctuation |
GB/T 25119 、EN50155 |
Power Outage |
GB/T 25119 、EN50155 |
Insulation Resistance Test |
GB/T 25119 etc. |
Withstand voltage Test |
GB/T 4943.1 etc. |
Temperature Raise Test |
GB/T 21413 etc. |
Ground Resistance |
GB/T 25119-2010 GB4943.1-2011 etc. |
Leakage Current |
GB4943.1-2011 etc. |
? Our Advantages
NG28 have professional technicians and experienced test team.
We have the maximum DC voltage of 2000V and the maximum DC current of 1200A, the high-power programmable electronic load, can provide customized testing solutions.
We can provide efficient and convenient services.