1. Thank you for using this query system, before you start the query, please read the following carefully to ensure the correctness of the query, thank you!
(1) Please fill in your certificate/report number in the number field.
(2) The system can only query one set of certificate numbers at a time, please do not enter multiple groups of numbers consecutively.
(3) When filling in, please enter the information on the original certificate.
(4) If you have any questions in your inquiry, you are welcome to contact us at any time, thank you!
2. Why can't I find the result?
(1) it may be that your input is incorrect, please confirm your input.
(2) our certificate database is updated regularly, and may not have been updated to this certificate, please confirm with our company directly.
(3) the certificate you queried is not included in the certificate store.
