You can use the application to create vCards file from address book then send it to your friends by email.
 

How to use it
1. In the vCards share application.
  1.1 Select a group.

  

  1.2 Select the contacts which you want to share.Then click the button to send them by email.
 
  

2. In the mail application. 
  
  2.1. Your friend can find the vCards file in your mail. Click the vCards file to view details, then add the contacts into the address book.
  

 
 

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