About Company
DONGli PRECISION DELIVERS RELIABLE CUSTOM MANUFACTURING
FOR CNC MACHINED PARTS, PRECISION SPRINGS AND
MICRO COMPONENTS ACROSS GLOBAL INDUSTRIES.
+
Years of Excellence
+
PRODUCTION MACHINES
+
CUSTOM PROJECTS COMPLETED
+
GLOBAL CUSTOMERS SERVED
Our Capabilities

Manufacturing Capabilities

CNC Machining
CNC Machining

Precision CNC milling, turning, and Swiss machining for custom metal and engineering plastic components.

Precision Spring Manufacturing
Precision Spring Manufacturing

Custom compression, extension, torsion, and specialty springs manufactured for demanding dimensional and performance requirements.

Micro Precision Components
Micro Precision Components

Miniature shafts, pins, screws, bushings, and other small precision parts for compact and high-accuracy applications.

Secondary Processes
Secondary Processes

Specialized engineering services designed to enhance performance, durability, and process efficiency.
Our solutions empower industries to operate reliably under demanding conditions.

OEM & ODM Solutions
OEM & ODM Solutions

Engineering support, prototyping, material selection, process optimization, and scalable production tailored to your project.

Industries We Serve

Built for Demanding Applications

Our precision components are used across industries where dimensional accuracy, consistency, and reliable performance matter.
Wearable Devices

Miniature components and springs for watches, smart wearables, and compact electronic devices.

Consumer Electronics

Precision metal parts, connectors, fasteners, and small mechanical assemblies.

Medical Devices

Custom miniature parts and springs for precision medical and diagnostic equipment.

Automotive Electronics

Precision components for electronic modules, sensors, control systems, and assemblies.

Industrial Equipment

Custom-machined and formed parts for industrial mechanisms, equipment, and automation systems.

WHY CHOOSE US

Why Work With Dongli Precision

10+ Years
Experience

Extensive experience in precision component manufacturing.

Advanced
Equipment

CNC machining, spring forming, grinding, and inspection equipment.

Strict Quality
Control

In-process inspection and quality checks for consistent production.

Flexible OEM/ODM
Support

From prototyping and small batches to stable volume production.

Common Queries

Frequently Asked Questions

  • We manufacture CNC-machined parts, precision springs, micro components, shafts, pins, screws, bushings, and other custom metal parts based on customer drawings or samples.

Yes. We support OEM and ODM projects from drawing review and engineering evaluation to prototyping, sample approval, mass production, inspection, and delivery.

We commonly work with stainless steel, aluminum, copper, brass, carbon steel, alloy wire, and selected engineering plastics.

Our CNC machining capabilities include milling, turning, Swiss-type machining, and precision machining for small and complex components.

We produce compression springs, extension springs, torsion springs, and custom spring designs for electronic, medical, wearable, automotive, and industrial applications.

Yes. We support prototype development, sample orders, small-batch production, and volume manufacturing depending on your project stage.

Quality control is carried out throughout production, including dimensional inspection, in-process checks, final inspection, and process verification based on customer requirements.

Yes. Available processes include grinding, heat treatment, surface treatment, polishing, plating, anodizing, laser marking, cleaning, assembly, and custom packaging.

Please provide drawings, 3D files, material requirements, tolerances, surface finish, order quantity, and any special application or inspection requirements.

Quotation and sample lead times depend on part complexity, material, tolerance, and quantity. Once we review your drawings and requirements, we will confirm the expected timeline.

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

+ 8618774004960

Book Your Free Consultation