1.Question: Why do I fail to register? Answer: (1) Please check your username. Any special characters such as *, $,&,# will be rejected to register. (2) Check whether your username or e-mail has been registered. If you have any difficulty in registering, please feel free to e-mail to linjl@magtech.com.cn . 2. Question: Why do I fail to login? Answer: Usually, failure to login is caused by the following reasons: (1) The username and password is CASE SENSITIVE. (2) There are more than one accounts with this usename. In this case, you should email to linjl@magtech.com.cn to require merging your account, and the valid account will be sent to you by email. (3) Error username or Password: If you forget the registered username or password,or the old username is invalid, please DO NOT register repeatedly. It may be caused by the adjustment of our database to keep the data easy-managed. Please use "Password Help" to get back your account information.