Changzhou Testkey Electronics Co., Ltd.  

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Changzhou Testkey Electronics Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing, sales and after-sales service, dedicated to industrial electronic automation test solutions. Guided by the principle of 'people-oriented, innovation-driven, strict quality control and customer first', the company continuously improves product performance with rigorous R&D and follows the pace of Industry 4.0 by providing rich, complete automation interfaces. Understanding the importance of reliability for industrial measurement, Testkey adopts advanced, complete production, calibration and QC processes to ensure product reliability and quality. The company provides a comprehensive passive-component test solution portfolio covering DC resistance testers, insulation resistance testers and multi-channel temperature data-acquisition instruments, programmable DC electronic loads, serving industrial automation, new energy, power, medical, communications and scientific research.