The black color rotor disc for car from Hebei Chengen Huanbao Technology Co., Ltd. is not only aesthetically appealing but also highly functional. These rotor discs are painted black using a high - quality, heat - resistant paint that serves multiple purposes. The black color not only gives the brake system a sleek and stylish appearance but also provides an additional layer of protection against corrosion. The paint is formulated to withstand the high temperatures generated during braking, ensuring that it does not peel or fade over time. Made from top - grade cast iron or alloy materials, the black color rotor discs are engineered for excellent braking performance. They have a precisely machined surface that ensures smooth contact with the brake pads, resulting in consistent and reliable braking. The discs are designed to handle the mechanical stress and friction associated with braking, providing long - lasting durability. Through strict quality control measures, such as surface roughness testing, paint thickness measurement, and strength testing, the company ensures that each black color rotor disc for car meets the highest standards, offering both visual appeal and reliable braking functionality for car owners.