Manufacturing Capabilities

Precision Manufacturing Capabilities

From CNC-machined components and custom springs to miniature precision parts, Dongli Precision supports custom manufacturing projects from prototype development through stable production.

CNC Machining Precision Springs Micro Components Secondary Processing
CNC MACHINING

Custom CNC Machining

Dongli Precision provides CNC machining services for precision components requiring controlled dimensions, repeatable quality, and complex geometries.

We support prototype, small-batch, and production-volume orders across a variety of metals and engineering plastics.
Prototype Small Batch Production Custom to Drawing
Custom CNC Machining
CNC Milling
01

CNC Milling

Multi-axis CNC milling for components with complex surfaces, holes, slots, pockets, and detailed geometric features.

Suitable For Precision housings / Brackets / Structural components / Small mechanical parts / Custom assemblies
CNC Turning
02

CNC Turning

Precision turning for round, cylindrical, threaded, and rotational components requiring consistent dimensional control.

Suitable For Shafts / Pins / Bushings / Sleeves / Fasteners
Swiss CNC Machining
03

Swiss CNC Machining

Swiss-type machining for small, slender, and high-precision components requiring stable dimensional control.

Suitable For Miniature shafts / Micro pins / Precision screws / Medical components / Electronic components
Custom Precision Springs
PRECISION SPRING MANUFACTURING

Custom Precision Springs

We manufacture custom springs according to customer drawings, samples, loading requirements, and application conditions.

Our spring production capabilities support both miniature components and general precision mechanical applications.
01

Compression Springs

Designed to resist compressive forces and return to their original length after loading.

02

Extension Springs

Designed to absorb and store energy when stretched.

03

Torsion Springs

Designed to provide rotational force or torque.

04

Custom Springs

Application-specific spring geometries developed around your mechanical requirements.

Material Options
Stainless Steel Wire Carbon Steel Wire Alloy Wire
MICRO PRECISION COMPONENTS

Miniature Parts. Precise Results.

We manufacture small precision components for applications where space is limited and dimensional accuracy is critical.

Our team supports both standard geometries and highly customized miniature components.
Micro Shafts Precision Pins Miniature Screws Bushings Small Metal Parts
Micro Precision Components
01

Tight Tolerances

Manufacturing processes developed around critical dimensions and functional fit.

02

Miniature Machining

Production of small components for compact electronic and mechanical systems.

03

Complex Geometry

Machining and forming for components with detailed or application-specific features.

SECONDARY PROCESSES

Complete Your Parts With Secondary Processing

To simplify your supply chain, we can coordinate additional processing after primary manufacturing.
Heat Treatment
01

Heat Treatment

Improves hardness, strength, or other material properties according to application requirements.

Surface Treatment
02

Surface Treatment

Functional and cosmetic finishes selected according to material, environment, and appearance requirements.

Grinding
03

Grinding

Precision finishing for dimensional accuracy, flatness, and surface requirements.

Assembly
04

Assembly

Basic part assembly and component integration to simplify downstream production.

Cleaning
05

Cleaning

Removal of machining residue, oil, particles, and contaminants before final packaging.

Custom Packaging
06

Custom Packaging

Packaging solutions tailored to handling, protection, storage, and shipping requirements.

Get in Touch

Ask Us Anything

Reach out with any queries about our products, services, or processes, and our team will provide clear and helpful answers.

Company Name

Huizhou Dongli Precision technology Ltd.

Company Address

Unit 1001, 10th Floor, Building C, Weihuada-Songshan High-Tech Park, No. 26 Taihao Road, Sandong Town, Huicheng District, Huizhou City

Phone / WhatsApp

+86 18774004960

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