The testing center of Zhejiang Dunyun Industrial Co., Ltd. successfully passed the accreditation of the CNAS national laboratory on July 26, 2018, and entered the ranks of national testing centers in one fell swoop.

CNAS It is the English abbreviation of China National Accreditation Service for Conformity Assessment.

The testing center has continued to invest in technology since its establishment. So far, the scale of the laboratory has been expanded and has become a high-level technical team. The application of intent was submitted on October 21, 2017. After formal application, review preparation, document review, on-site review, accreditation approval and other procedures, it successfully passed CNAS accreditation. This indicates that the company's laboratory has the national and international recognized management level and testing capabilities, and has the ability to provide more rigorous testing for the company and its suppliers. At the same time, the company's laboratory testing capabilities have been recognized internationally, indicating that the technical level, testing capabilities and testing qualifications of the Shield Yun Testing Center have reached the national standard, highlighting the scientific research strength of the Shield Yun company, and contributing to the improvement and improvement of the quality of the entire series of products of the Shield Yun. Occupy the market and laid a solid foundation. The successful construction of Shield Yun Lab has also contributed to the technological development and breakthrough of the industry.