Liu 'an pension is issued by social security card.

See if you buy social security or commercial insurance. If you buy social security, you will have a social security card, but it may take several months! It was several months before I got my card. I wonder how fast it is now! By the time you retire, the pension will be uniformly distributed by the Social Security Bureau.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.