First, out of inexperience, I bought a Chinese coffee machine for about 2022. I was tempted by the price and the inscription on the box "15 Bar". Then I figured it out - the pressure is created by steam, that is, about 3.5 bar and the inscription on the box is a deliberate lie. For coffee to reveal all its nuances, you need 9 bar of pressure, that is, there is no way without a pump.
On the Chinese car, though, again, out of inexperience, I wrote a positive review. The coffee turned out really goSee full review