one of my points is, that I do not trust that pricing. In my experience the pricing ranges on Alibaba were very wild and often used as an incentive for you to contact them. And after some back and forth you got a 'real' offer. Taobao (or aliexpress in the west) on the other hand, usually contained 'real' prices. Can't say for sure for that listing(s), but I would take everything on that links with a grain of salt.