What are the domestic brands of bathrooms in five-star hotels?

There are few domestic brands shortlisted for five stars, and they are generally foreign brands such as TOTO and Kohler.

There are generally Wrigley and Farnsha in China.

Huida is only a mid-range brand at best.

The emperor is more rubbish, and there are no ceramic factories.

Osman and a gold medal factory have better quality, and the integrated toilet is an advantage. But the brand is average, and it is rare to enter a five-star hotel.