Fixed gear steel frame from AliExpress
No, it is not serious, you should not believe these descriptions. They just try to attract people searching various terms.
There are indeed many counterfeits in these shops. When they claim so much different stuff at once it is quite certain.
That does not mean that the frame would not work, but if shopping in Asia it is better to shop from brands that do not pretend they are something else and sell under their own Asian brands.