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Note:

1.In case of any inconsistencies between the original copies of certificates and the information on website, the original copies shall apply. Any questions about the effectiveness of certificates or any inconsistencies between the original copies of certificates and the information on website, please contact ZDHY in time. Any losses caused by confirmation not timely, ZDHY will not take any responsibilities.

2.Due to the content limitation on website, any searches for “multi-name or multi-site” organizations, please contact ZDHY.

3.Besides the information on ZDHY’s website, the official websites of CNCA (www.cnca.gov.cn) or CNAS (www.cnas.org.cn) can be used for the search.

4.ZDHY’s head office is responsible for issuing any demonstrative documents about the certificates’ status. If any questions, please contact ZDHY.

5.Contact department: Market and Service Department

Tel.: 010-87983114

Email: zdhy@zdhy.net