Try to do the following if you can't register
1. Check your spam box.
2. Can be registered with the hash code allowed http://chdbits.org/signup.php?type=i...itenumber=hash
Followed by an equal sign to fill HASH, you can link to each other. How to find the hash code PT station?
Click the send button to invite / http://chdbits.org/invite.php?id = your ID number to pull down the cross-sectional view similar to the provided picture.
Then let your friend copy the link into the browser can be registered http://chdbits.org/signup.php?type=i...enumber=hash(a string of characters)