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  • ISO9001:2015

    Certificate No : MIC-ASI2211351

    Issuing authority : TUV Rheinland

    Valid period : 2025/11/8 - 2025/12/8

    This certificate holds high gold value, as it is issued under the supervision of TUV Rheinland—a globally recognized and authoritative inspection, testing, and certification body renowned for its rigorous standards. The certification aligns with ISO 9001:2015, an international benchmark for quality management systems, which signifies that the certified enterprise has met stringent requirements in quality control, operational management, and continuous improvement, enhancing its credibility in both domestic and international markets.
    This certificate confirms that enterprises including DYM(with its own brand) have undergone on-site audits covering multiple core dimensions of enterprise operations: General Information, Foreign Trade Capacity, Product Research & Development Capacity, Management System and Product Certification, Production Capacity & Quality Control, etc. The certified enterprise, with a premises of over 8,881 square meters, has successful foreign trade experience across regions like North America, South America, Europe, Southeast Asia, the Middle East, Africa, East Asia, and Australia, further validating the practical value of this certification for its global business development.
    ISO 9001:2015

  • ISO/IEC 17025:2017

    Certificate No : VLAT-1.0548

    Issuing authority : Vietnam Union of Science and Technology Associatio

    Valid period : 2021/10/31 - 2026/10/31



    This accreditation certificate boasts high gold value, as it adheres to ISO/IEC 17025:2017—the internationally authoritative standard for laboratory competence—and is issued by the Vietnam Union of Science and Technology Associations' Accreditation Office for Standards Conformity Assessment Capacity (AOSC), a prestigious accreditation body in Vietnam. It verifies that Dong Yang Metal Co., Ltd., based in Dinh Tram Industrial Park, Vietnam, has met the rigorous requirements for Electrical Testing. With an accreditation number of VLAT-1.0548 and a document number of AOSC 1648-1, this certificate remains valid from October 31, 2021, to October 31, 2026, serving as solid proof of the company's reliable competence in providing electrical testing services.

  • ISO 9001:2015

    Certificate No : 5202210120

    Issuing authority : EFC International Certification Body

    Valid period : 2025/11/23 - 2025/12/8



    This certification boasts high credibility as it is anchored in ISO 9001:2015, the globally authoritative standard for quality management systems, and issued by EFC International Certification Body—an accredited entity recognized by IAF and ISO. It verifies that Dong Yang Metal co.,ltd has implemented a quality management system conforming to the standard, covering scope such as CNC wire cutting, mold design, inspection tools, and manufacturing processes of punch. With certificate number 5202210120, originally approved on 21 November, 2022, this certification remains valid until 23 November, 2025 (subject to the organization’s continued satisfactory management system operation), demonstrating the company’s commitment to robust quality management practices.

  • GB/T 19001-2016 idt ISO 9001:2015

    Certificate No : HIC210579

    Issuing authority : HIC Certification

    Valid period : 2021/6/3 - 2024/6/2



    This certificate is highly reputable as it is based on ISO 9001:2015 (equivalent to GB/T 19001-2016), a globally authoritative quality management system standard, and issued by HIC Certification, an organization recognized by IAF and CNAS. It verifies that Dong Yang Metal co.,ltd, located in Dinh Tram Industrial Park, Bac Giang, Vietnam, has implemented a quality management system meeting the standard for metal parts (aluminum, stainless steel) processing. With certification number HIC210579, first issued on June 3rd, 2021, and valid until June 2nd, 2024, this certificate demonstrates the company’s adherence to rigorous quality management practices in its metal processing business.