证书唯一核实真伪渠道：
The only channel to verify the authenticity of the certificate:
1、本链接输入证书编号查询。
1. Enter the certificate number query in this link.
2、证书报告作为附件发送至guowei0001@guowui-lab.com邮箱查询真伪。
2. The certificate report should be sent to guowei0001@guowui-lab.com as an attachment to check the authenticity