BTer .com will help you redeem your BTS later . There must be PTS_S now in your account now. Good luck. 
If you were withdrawing your  PTS on Feb 28 from Bter.com, you can check the" time included in the block"- if the time is  before Feb 28  24:00UTC, Bter,com will help you reedeem you PTS- you can contact Bter.com later about it; if it is  later than Feb 28 24:00 , you are expected to ask the receiving side for help.