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THINKING is proud to announce that the testing laboratory of Dongguan Welkin Electronics Co., Ltd., a subsidiary of THINKING, has attained the CNAS Laboratory Accreditation Certificate (Registration No. CNAS L23425), following rigorous assessments in accordance with ISO/IEC 17025:2017 — General Requirements for the Competence of Testing and Calibration Laboratories — and CNAS-CL01 — Criteria for the Competence of Testing and Calibration Laboratories. The milestone marks a major achievement for THINKING, demonstrating that the laboratory has met the highest international standards in testing capability, quality management, and personnel qualification.

Through CNAS accreditation, the Dongguan Welkin laboratory is authorized to perform environmental reliability and performance testing on Varistors, Thermistors (NTC and PTC), and Temperature Sensors, enabling it to provide customers with scientifically validated, accurate, and internationally credible testing services and technical competence.

ISO/IEC 17025 is one of the most rigorous global standards for testing and calibration laboratories. Under this framework, CNAS-CL01, issued by CNAS, emphasizes the laboratories' compliance with national regulations and industry standards. The laboratory strictly adhered to these principles and established a robust operation management system. This CNAS accreditation is the result of the laboratory’s sustained efforts in developing the following core competencies:

• Reliable operational foundation: The laboratory operates with qualified personnel, calibrated equipment, standardized procedures, and controlled environments, ensuring consistent, valid, and reliable results.
• Rigorous traceability: A rigorous traceability system is upheld through comprehensive documentation and record management, ensuring the traceability of all testing and calibration activities.
• Continuous improvement: Internal audits, Corrective and Preventive Actions (CAPA), and customer feedback drive continuous improvement, fostering ongoing enhancement of the laboratory's management system.
• Comprehensive risk management: Potential risks that may affect testing accuracy and efficiency are systematically identified, assessed, and mitigated to maintain dependable laboratory performance.

The CNAS accreditation of the Dongguan Welkin laboratory not only affirms its advanced testing capabilities and management excellence but also reflects THINKING Group's continuous commitment to enhancing its quality management system. Moving forward, THINKING will continue to uphold a rigorous approach, optimizing testing technology and quality management to address the evolving needs of customers and the industry.