This is also posted in the OAASFFP forum.

China Airlines Membership Tier Temporary Revised (to celebrate Skyteam)

From 2011/09/28 - 2012/09/30...

To qualify, for the past 12 months:

Gold
30,000 Miles instead of 40,000 Miles

Emerald
70,000 Miles instead of 110,000 Miles + 4 sectors in paid Business or First -or-
30 sectors in paid Business or First instead of 40

Paragon
140,000 Miles instead of 180,000 Miles + 6 sectors in paid Business or First -or-
50 sectors in paid Business or First instead of 60

To renew, for the past 24 months:

Gold
50,000 Miles instead of 55,000 Miles

Emerald
110,000 Miles instead of 110,000 Miles + 4 sectors in paid Business or First

Paragon
180,000 Miles instead of 180,000 Miles + 6 sectors in paid Business or First

Other qualification methods not listed = not changed.

Paid Business and First must be in Bookings F, A, J, C, D.
D class booked in Premium Economy or Economy upgraded to Business are ineligible.

http://www.china-airlines.com/en/dfpen/dfpen000290.htm

There are also other promotion not listed on the forum but is in the link, and the link can be updated at any time.