On October 30,Hunan CNGR Testing Technology Co.,Ltd.(hereinafter referred to as“CNGR Testing”)officially received laboratory accreditation from the China National Accreditation Service for Conformity Assessment(CNAS).This milestone confirms that the laboratory's management system and technical competence meet the requirements of the international standard ISO/IEC 17025.Test reports issued within its accredited scope are now eligible for recognition under international mutual recognition arrangements covering more than 100 economies worldwide.

　　The CNAS accreditation covers four major testing areas:mineral products,precious-metal smelting intermediates,crude precious-metal materials and ingots,and precious-metal ingots and compound products.The accredited scope includes quality characterization and physicochemical parameter testing for these products.All testing is conducted using applicable national and industry standard methods,with the results eligible for international multilateral recognition.

　　With both CMA statutory qualification and CNAS international accreditation,CNGR Testing provides professional testing services to customers in mineral processing and smelting,rare and precious metal recycling,battery materials,precious-metal catalysts,and silver-based materials.Its services cover product quality assessment and the measurement of key physicochemical parameters.The company has already provided accurate testing data to several leading companies across the industry value chain.

　　CNGR Testing is a specialized third-party testing platform under CNGR Group and operates as an independent legal entity.Since its establishment in 2024,the company has planned its laboratory development and built its management system to high standards.In September 2025,it obtained CMA qualification,laying the foundation for standardized operations.The latest CNAS accreditation extends recognition of its technical competence through an international mutual recognition framework.Together,the two qualifications provide a dual foundation of domestic statutory qualification and internationally recognized technical competence,further enhancing the company's technical capabilities and market credibility.

　　Looking ahead,CNGR Testing will continue to improve its management system and advance innovation in testing technologies.Guided by its service principles of“Impartiality,Scientific Rigor,Accuracy,and Efficiency,”the company will draw on its professional testing expertise to create value across the industry value chain and contribute to the high-quality development of the advanced materials industry.