We adopt high-quality H59, H62 brass and pure red copper raw materials. Each batch undergoes strict material inspection and hardness testing to ensure pure texture without pores or impurities. Copper material features low friction coefficient, excellent self-lubrication, anti-seize and shaft-protection performance. It requires less maintenance during long-term reciprocating operation.

Compared with steel and iron bushings, our copper sleeves deliver better noise reduction, wear resistance and buffering performance, adapting perfectly to complex high-frequency vibration and alternating temperature working conditions of automotive chassis.

All inner holes, outer circles, end faces, oil grooves and positioning steps are completed in one clamping setup. Roundness, coaxiality and verticality are precisely controlled, achieving stable tolerance within ±0.005mm. The inner wall adopts mirror finishing with smooth and burr-free surface.

Uniform assembly clearance ensures smooth operation without jamming or eccentric wear, fully meeting micron-level assembly and silent operation standards of automotive OEM parts.

Processed from solid copper rods, the one-piece structure features high density without loose layers or pores. It effectively withstands long-term high-frequency vibration, reciprocating friction and instantaneous impact load during vehicle operation.

The copper bushings maintain stable structural strength, avoiding wear, deformation and loosening. They greatly improve vehicle handling accuracy and driving comfort by solving chassis shaking, abnormal noise and excessive clearance problems.

We provide comprehensive custom services: micro precision copper bushings, lengthened sleeves, thickened wear-resistant copper sleeves, oil groove copper sleeves, step positioning copper parts and special-shaped copper components.

Custom processing is available according to customer drawings and samples, covering new energy vehicle electronic control systems, fuel vehicle chassis heavy-duty structures and modified vehicle accessories. Fast prototyping and mass production are fully supported.

All copper bushings undergo stress relief treatment, full dimensional inspection, roundness calibration and assembly simulation test before delivery. 100% visual inspection ensures zero burrs and stable batch consistency.

The qualified rate remains above 99%, complying with international automotive parts export standards. We provide long-term stable OEM and ODM supporting services for global auto parts manufacturers.