Try harder, you probably did something wrong...
I ordered the CHYI and it's clearly not as easy to install as it is shown in the AliExpress video, but it is definitely possible to install it without bubbles. Once in place, you have to push hard with the wafer on each bubble one by one from center to edge of screen, many times until they are finally pushed away. It takes approximately 5 to 10 minutes to remove all bubbles.
Mine is perfectly bubble free. And fit perfectly the screen and stay in place with a protection case. Transparency and clarity are great, if not perfect. Touch is almost identical as without any protection. I had a dust stuck below, so I removed it and installed the second one, and once again I installed it bubble free.
For 4$ the two screens, I definitely recommend it.
There is another kind of screen protector on AliExpress called "Hydrogel II" which is not bad, but clearly not as good as the CHYI one.