Drilling machines, milling machines, CNC machining centers

We provide high-precision CNC machining services, encompassing the entire process from part design, programming, machining, to post-processing. Utilizing advanced CNC machine tools and automated equipment, we offer a variety of machining methods, including milling, turning, drilling, and grinding, to meet the high-precision manufacturing needs of a wide range of complex parts. Our services span multiple industries, including automotive, aerospace, electronics, and machinery.
Welcome to our CNC Machining Services, where we provide a comprehensive range of precision CNC machining, including CNC milling and CNC turning. Our CNC Machining Services specialize in customizing metal parts of various shapes according to your drawing specifications. Whether you need small-batch prototypes or large-scale production, we consistently deliver high-quality products with fast turnaround times.
Our expert team is committed to offering accurate, reliable, and cost-effective CNC Machining Services to meet your manufacturing needs—from prototype development to full-scale production. With advanced technology and a focus on precision, we ensure every project exceeds expectations.
Contact us today to discuss your CNC Machining Services project and discover how we can bring your designs to life with efficiency and expertise!
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CNC Machining Services

CNC Machining Processes

CNC Machining Services
CNC Milling
Our CNC machining services include precision CNC milling, a versatile process that uses rotary cutters to remove material from a workpiece, creating complex shapes and features with exceptional accuracy. With tolerances as tight as ±0.05mm, our CNC milling minimizes or eliminates the need for post-machining, making it ideal for precision components with strict requirements. Whether you need intricate designs, functional prototypes, or high-volume production, our CNC machining services ensure consistent quality and reliability across a wide range of applications. From aerospace to automotive industries, we tailor our CNC milling solutions to meet your specific needs.
CNC Machining Services
CNC Turning
As part of our comprehensive CNC machining services, CNC turning involves rotating the workpiece while a cutting tool removes material to create cylindrical or conical shapes. This process is highly efficient and suitable for producing round components such as shafts, bushings, connectors, and more. Our CNC machining services deliver excellent precision and repeatability, making CNC turning a preferred choice for industries requiring high-volume production of geometrically simple yet critical parts. With advanced equipment and skilled technicians, we ensure tight tolerances and smooth surface finishes for every component.
CNC Machining Services
Drilling & Boring
Our CNC machining services also include drilling and boring, essential processes for creating and refining precise holes in a workpiece. Drilling uses high-speed rotating drill bits to create accurate holes, while boring enlarges or refines pre-existing holes to achieve better accuracy, surface finish, and dimensional consistency. These processes are critical for components requiring exact hole specifications, such as engine blocks, hydraulic systems, and structural assemblies. With our CNC machining services, we ensure the highest levels of precision and functionality in every part we produce. Whether for small-batch prototypes or large-scale manufacturing, we provide tailored solutions to meet your project requirements.

Quality Management System

Raw material testing
When sourcing raw materials, we rigorously screen our suppliers to ensure they meet quality requirements. Upon arrival, we conduct rigorous inspections, including visual inspection, dimensional measurement, and chemical composition analysis. Only qualified raw materials are used in production.
Production process testing
We have multiple quality control points in production, using advanced equipment like 3D measuring machines, spectrum analyzers, and X-ray detectors to check size, shape, surface quality, and internal defects. Any defects found are quickly addressed to prevent them from moving to the next stage.
Finished product inspection
After component production is complete, we conduct comprehensive finished product testing, including functional testing, performance testing, and appearance inspection. Only products that pass these rigorous tests are packaged and shipped. We also conduct random inspections on finished products to ensure consistent quality.

How The Production Process Works

We want to make working with us on a production project as smooth and streamlined as possible.

1

Speak with a manufacturing expert who will help you customize your production quote around a complete bill of materials.

2

Work with our team to optimize your project for production, including design for manufacturability and cost reduction options.

3

An initial sample run of the part is manufactured and sent to you to ensure the part meets your standards before full production begins.

4

Gain process transparency and quality control when full production begins.

5

Apply post-processing and final quality measures before parts are shipped.

6

Place subsequent batch production orders for your project at any time through our virtual warehouse.

Start Your Project with Leierwo

1. Design Submission & Quotation
The process of creating precise holes in a workpiece using high-speed rotating drill bits，A machining technique used to enlarge or refine pre-existing holes for better accuracy and surface finish.
2. CNC Machining
Our advanced CNC machines perform precise machining operations, including turning, milling, and drilling, to achieve your exact specifications and tolerances.
3. Quality Control & Delivery
Machined parts undergo thorough inspection and testing before delivery to ensure they are defect-free and meet all required specifications.

FAQ

We are a factory with over 20 years of experience in casting and machining. We have rich expertise in this industry. If you come across suppliers claiming to produce castings in a wide range of materials (such as steel, iron, stainless steel, copper, etc.), they are likely trading companies. If you see workshops actively producing parts, you can be assured that we are a genuine manufacturer.

Yes, as long as we receive CAD files or compatible 3D models that can be viewed with software like First Quote or Firstcut browser, we can provide a quotation. Please note that 2D drawings alone are insufficient for manufacturing precision components.

We support 3D CAD models from SolidWorks (.sldprt), ProE (.prt), and other CAD systems, commonly in IGES (.igs), STEP (.stp), ACIS (.sat), or Parasolid (.sat) formats.

We have an internal service system that responds to emails within 4 hours. If your request is urgent, please specify it in your email so we can prioritize your inquiry.

For rapid prototyping:
Silica sol casting: 20–30 days
Sand casting: 7–10 days
For mass production with machining included, the typical lead time is 45–60 days.
More complex parts may require a different delivery schedule.

Yes, we provide samples based on your drawings for you to confirm structure and quality. If the sample does not meet your requirements, we will replace it free of charge until it is qualified.

We accept T/T (bank transfer), Alipay, credit card, etc. Typically, we require a 30% down payment upon order confirmation and the remaining 70% before shipment. For custom parts with complex requirements, additional pricing terms may apply.

We have a comprehensive quality control system that covers every step, from raw material procurement to machining processes and final inspection. For critical components, we strictly follow drawing standards and customer specifications.

All customer data is kept confidential. Only trained engineers are authorized to handle production orders. Third-party inspection or factory audits are welcome, or you may use our in-house quality team for final inspection.

Yes, we guarantee that all materials used are 100% genuine and as specified.

We value long-term cooperation and support our customers’ production needs.

We believe every honest customer is a friend, and we treat our partnerships sincerely—building friendships and strong teams regardless of where our customers come from.

Contact us now

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