How to create Apple Push Service Certificate issue

Hello

I have updated Apple Push Notification Service Certificate every year.

I know that push service certificate has private person key from CSR file.

and regist to push service certificate on mac then show personal key in keychain.

but this time can't show peronal key in key chain and not trusted this certificate.

I want to solve this problem...

How to create Apple Push Service Certificate issue
 
 
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