IMPORTANT NOTICE
The main CSD email address csd@chenhsong.com.hk is now redirected to the #general category, starting 1 January 2018.
Please do not send email directly to csd@chenhsong.com.hk for Master Chow. He now has his own user ID: @chowkimhong and his own email: chowkimhong@chenhsong.com.hk