Mobile phone number when asked WeChat certification?

A 1, the same email address can only apply for a number of public. 2, the same phone number can register information 5 times. Currently supports only fill in mainland China mobile phone number (not including Hong Kong, Macao and Taiwan), mobile phone number of other countries temporarily does not support (temporary id card does not support information registration). 3, the same id card registration information 5 times. Year full 18 one full year of life in mainland China currently only support by id card to registration information (not including Hong Kong, Macao and Taiwan). 4, the same company can register and authentication 50 public, other types of organizations in the same number 50 public institutions can register and authentication. Currently only supports the fill in mainland China business license, organization code (not including Hong Kong, Macao and Taiwan) to register the information, temporarily not opened to other countries and regions. 5, all the information is clearly visible on the identity CARDS, photo real and effective content, shall not make any changes. 6, support. JPG, jpeg. BMP. GIF, PNG format images, not more than 2 m size.