The Joyroad 275/40ZR20 (usually Sport RX6 / Sport RX RX6 SUV UHP) is a budget ultra-high-performance tyre for large sedans and SUVs like BMW 5 Series / 7 Series, Mercedes E/S-Class, Audi A6/A7, Range Rover Sport, Porsche Cayenne (some setups).
It’s a low-cost performance tyre, not a premium safety-focused brand.