Ding wing brand high-speed brake disc design manufacturers, the monopoly price of a dual high-speed brakes. The braking currently have disc brakes and drum brakes, older vehicles are Qianpanhougu. The car now a lot of before and after the disc brake. Disc brake drum brake cooling, high-speed braking, not prone to heat fade, so its high-speed braking effect. However, in low-speed cold gate, the braking effect than drum brakes. The price is more expensive than the drum brake. So now, many high-class cars overall brake, while the average car uses Qianpanhougu, and relatively low-speed, large power trucks, buses and require the system still use drum brakes.