The backing plate is a key part in the backing plate assembly, a supporting part for assembling the fixed brake shoe assembly and the brake drum in the automobile brake, and is the core part of the entire vehicle brake.

Backing plate blanks and machined products made of QT400-15 and QT450-10 materials have stable dimensions, small differences in hardness, stable performance, good processing performance, and strong consistency in processing dimensions.

The products are widely used in truck and trailer brake systems.