Recently, the Testing Center of Chizhou Yunzhong Electronic Technology Co., LTD. (referred to as: Chizhou Yunzhong Testing Center) has officially passed the strict review of the China National Accreditation Service for Conformity Assessment (CNAS) and obtained the CNAS National Accreditation Laboratory certificate. This milestone achievement marks that Chizhou Yunzhong Testing Center has reached internationally recognized standards in terms of quality management system, product testing capabilities and technological research and development level, and has entered the ranks of national-level laboratories.

The China National Accreditation Service for Conformity Assessment (CNAS) is a national institution established and authorized by the Certification and Accreditation Administration of the People's Republic of China in accordance with the "Regulations of the People's Republic of China on Certification and Accreditation", and is responsible for the accreditation of relevant institutions such as certification bodies, laboratories and inspection bodies in a unified manner. The accreditation system of the China National Accreditation Service for Conformity Assessment (CNAS) and the International Laboratory Accreditation Cooperation (ILAC) mutually recognize each other. Obtaining CNAS accreditation means that the test reports issued by Chizhou Yunzhong Testing Center will be mutually recognized worldwide and have international credibility. This is not only a high recognition of the company's technical strength, but also an important step for the company to move towards international development.

Since its establishment in 2023, the Testing Center of Chizhou Yunzhong Electronic Technology Co., Ltd. has always placed quality control and testing capabilities at the core. To achieve the goal of CNAS certification, the company has devoted a large amount of resources to building a testing center from the very beginning. It is not only equipped with a series of internationally advanced measurement and testing equipment, but also has formed a high-quality team composed of technical experts with many years of industry experience, professional technical engineers and senior testing personnel. During the certification preparation stage, all business operations of the testing center were carried out in accordance with CNAS-CL01:2018 "Criteria for the Accreditation of Testing and Calibration Laboratories" (ISO/IEC 17025). 2017), CNAS-CL01-G001:2018 "Application Requirements of CNAS-CL01 'Criteria for the Accreditation of Testing and Calibration Laboratories'", CNAS-CL01-A003: In 2019, in accordance with the "Application Instructions of the Accreditation Criteria for Testing and Calibration Laboratories in the Field of Electrical Testing" and other regulations, a complete quality management system was established. At the same time, comprehensive optimization and strict control were carried out in all aspects such as the management and training of operation personnel, the control of the testing site environment, the calibration management of testing equipment, customer sample submission and sample management. Ensure the accuracy, reliability, independence and impartiality of every test and every piece of data.

The scope of CNAS certification of the testing center mainly covers the testing items of multilayer ceramic dielectric fixed capacitors (MLCC) in multiple fields such as basic electrical performance, long-term reliability and product weldability. This not only provides more powerful technical support for the company's product technology research and development and on-site quality control, but also offers customers more authoritative and reliable testing technical reports, effectively enhancing the market competitiveness of the company's products, as well as customers' trust and satisfaction with them.

This time, the company's testing center has been certified as a CNAS national accredited laboratory, which is an important milestone in the company's development history. It not only enhances Chizhou Yunzhong Electronics' influence and say in the industry, but also lays a solid foundation for the company to participate in international market competition. In the future, the company will take this as an opportunity to strictly abide by the requirements of CNAS accreditation rules, continuously improve the quality management system of the testing center, strengthen technological innovation and talent cultivation, further expand the testing field, increase testing items, enhance testing capabilities, ensure the quality of testing work, and provide customers with scientific, accurate, fair and timely testing results Contribute to the rapid development of the national electronic ceramics industry.