Suspect Fake 32 SD Ultra 80mb/s card

guys, i suspect my 32 Sd ultra card is a fake one. can someone help identify?i bought it at local famous IT retail shop.i using blackmagic speed test to test the card and it only arhive a write speed which about 15mb/s. it stated made in taiwan. which i google a lot, it shows that sandisk product are all made in china. anyone here can help me up? i feel i been cheated.
sd card.jpg

Best to call or e-mail SanDisk directly. With the serial # only they can verify if the card is genuine or not.

https://www.sandisk.com/about/contact

they did verify stated it is genuine card.how ever i did try the speed test.it only archive 10mb/s write speed only.