We have removed the newsletter subscribing block from the left panel. We have seen some rubbish email addresses being subscribed by bots.

Subsequently, we generally would not send newsletters from now on. We suggest customers subscribe to our RSS feeds instead.

For IE 8 users, browse to our front page, click the RSS button and select the feed you are interested in. When you click on "Favorites" on the left, you can then subscribe to the feeds.

For Firefox users, browse to our front page and click on the RSS button on the address bar to subscribe:

Last but not least, our twitter contents are pretty light weighted. So if you a twitter user, please follow our tweets.