From CNC-machined components and custom springs to miniature precision parts, Dongli Precision supports custom manufacturing projects from prototype development through stable production.
Multi-axis CNC milling for components with complex surfaces, holes, slots, pockets, and detailed geometric features.
Precision turning for round, cylindrical, threaded, and rotational components requiring consistent dimensional control.
Swiss-type machining for small, slender, and high-precision components requiring stable dimensional control.
Designed to resist compressive forces and return to their original length after loading.
Designed to absorb and store energy when stretched.
Designed to provide rotational force or torque.
Application-specific spring geometries developed around your mechanical requirements.
Manufacturing processes developed around critical dimensions and functional fit.
Production of small components for compact electronic and mechanical systems.
Machining and forming for components with detailed or application-specific features.
Improves hardness, strength, or other material properties according to application requirements.
Functional and cosmetic finishes selected according to material, environment, and appearance requirements.
Precision finishing for dimensional accuracy, flatness, and surface requirements.
Basic part assembly and component integration to simplify downstream production.
Removal of machining residue, oil, particles, and contaminants before final packaging.
Packaging solutions tailored to handling, protection, storage, and shipping requirements.