Qian Qin

Brake gasket with bundle-type acrylic fibers and preparation method thereof

Carbon fiber composite line for automobile clutch surface patch, preparation method and application thereof

Anti-atomization glass cleaning agent

Automatic twisting plying and winding device for friction material

Flushable filter core

Cooling machine middle structure

Preparation method of chemical-corrosion-resistant composite yarn for sealing packing

Banana stalk fiber extracting device

Preparation method of filament composite wire for automobile clutch facing

Preparing method of compound wire for environment-friendly clutch friction plate