Machined parts ship in 3 days, order your metal & plastic parts today. Contact us now

Machined parts ship in 3 days, order your metal & plastic parts today. Contact us now

CNC Milling Services

Experience top-quality CNC milling services from leading milling manufacturers. Our state-of-the-art facility ensures rapid prototyping and production of high-quality plastic and metal parts. With competitive pricing and global delivery in just 3 days

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Custom CNC Milling:Rapid Prototyping to Custom Production

Achieve high-precision and efficient milling parts machining, from rapid prototyping to customized production, helping you transform designs into complex geometric shapes and obtain customized CNC milling parts that meet your strict requirements.

3 Axis CNC Milling

3 Axis CNC Milling

For producing components with 2D or 2.5D features,3-axis CNC milling is the preferred method for producing simple parts that require precision.

4 Axis CNC Milling

4-axis CNC milling allows for multilateral machining, making it easier to create complex parts with complex geometric shapes.

5 Axis CNC Milling

By tilting and rotating the workpiece,5-axis CNC
milling is ideal for creating parts with complex contours, curved surfaces, and freeform shapes.

CNC Millied Parts Customer Cases

View the customized milling parts we process for customers, from rapid prototyping, small batch production to batch production orders.


From CNC Milling Prototyping to Production

Our CNC milling method aims to provide a seamless and guided process, taking you from the beginning of creativity to creating the perfect final product. It emphasizes the precision and caution of each step to ensure that your design vision is fully realized.

On-Demand Production

On-demand CNC milling reduces the need for extensive inventory storage. You can produce parts as needed, reducing carrying costs and minimizing the risk of excess or obsolete inventory.

Rapid Prototyping

Longsheng's CNC milling capabilities allow for the rapid transformation of your CAD designs into physical prototypes. This speed is essential for quickly evaluating and iterating on your product concepts.

Bridge Production

Bridge Production approach is designed to seamlessly transition from the prototyping phase to full-scale production. This ensures that the knowledge and data gained during prototyping are effectively carried over into the manufacturing process.

Put your CNC Milling parts into production today

Our milling machining shop

A series of state-of-the-art CNC milling equipment, from high-speed milling machines to multi axis milling machines, from small machining centers to large gantry milling machines, ensure that we can meet the milling machining needs of various sizes and complexities. This allows us to handle various materials and milling parts types with ease.

CNC Milling Tolerances

Leading CNC milling parts supplier—Longsheng Technology can produce parts up to 50 inches in length, depending on the process. Please consult any larger milling parts. The tolerances listed here are the minimum tolerances under ideal conditions. 

Types Size Tolerance
Maximum Part Size 1300mm × 800 mm × 300mm
51.2 in. × 31.5 in. × 11.8 in.
Minimum Part Size 1mm × 1mm
0.04 in. × 0.04 in.
Linear Dimension +/- 0.005 mm
+/- 0.0002 in.
Hole Diameters +/- 0.005 mm
+/- 0.0002 in.
Shaft Diameters +/- 0.005 mm
+/- 0.0002 in.
Lead Time 3 Business Days

Materials for Custom CNC Machining Parts

LongSheng diverse materials catalog offers a solution for virtually any project requirement. Whether you need metals, plastics, composites, or specialty materials, you can find the perfect material to suit your needs.

Aluminum CNC parts


Offers excellent machinability, high strength-to-weight ratio, and superior corrosion resistance, making it perfect for lightweight, durable machined parts.


Copper displays excellent thermal conductivity, electrical conductivity and plasticity. It is also highly ductile, corrosion resistant and can be easily welded.

Brass CNC parts


Brass has desirable properties for a number of applications. It is low friction, has excellent electrical conductivity and has a golden (brass) appearance.

Stainless steel CNC parts

Stainless Steel

Stainless steel offers superior corrosion resistance, high strength, excellent toughness and ease of fabrication, ideal for demanding machining operations.

Titanium CNC parts


Titanium It’s a metal with excellent strength-to-weight ratio, low thermal expansion, high corrosion resistance; sterilizable and biocompatible for machining.

Plastic CNC parts


Plastics are also very popular option for CNC machining because of its wide choices, relatively lower price, and significantly faster machining time needed.

Surface Finishing for CNC Milling Machining

Our surface finishing allows you to customize the appearance and texture of your milling parts. Various textures, colors, and finishes are available to match the aesthetic requirements of your product or brand.

Name Description Material Color Texture Link
Anodized aluminum parts Anodizing Anodizing is an electrochemical process used to enhance the corrosion resistance, appearance, and surface properties of metal parts, particularly aluminum. Aluminum, Metals Clear, black, grey, red, blue, gold Rough, smooth, metallic Learn More>>
Powder coated CNC parts Powder Coating Powder coating is a popular and environmentally friendly method of applying a protective and decorative finish to various types of metal and even some non-metal surfaces. Metals White, Black, RAL and Pantone Glossy, fine, hardness Learn More>>
High precision polished parts Polishing The primary goal of polishing is to create a smooth and reflective surface by removing imperfections, scratches, and irregularities. Metals Silver gray Bright, mirror, silk Learn More>>
Complex salt conversion coating parts Chromate Chromate, commonly known as a chemical thin film, is a conversion coating used as a corrosion inhibitor on aluminum. Aluminum Clear/ Slight yellow tint Satin Learn More>>
bead blasting aluminum parts Bead blasting Bead blasting, also known as abrasive blasting, is a surface preparation technique used to clean, finish, or texture a surface by forcibly propelling small, spherical abrasive materials, called "beads" or "media," at high speeds onto the surface being treated. Aluminum, copper, stainless steel, steel N/A Grainy, slightly matte texture Learn More>>
as precision machining parts As machining Machining is a subtractive manufacturing process in which a machine tool, typically a cutting tool, removes material from a workpiece to achieve the desired shape, dimensions, and surface finish. Metals N/A Smooth, glossy finish Learn More>>

Why Choose Us for CNC Milling Service

Longsheng’s CNC milling service is dedicated to achieving the highest levels of precision in the parts and components it manufactures. This precision ensures that your products meet exact specifications, tolerances, and quality standards.

Instant Online Quote

By uploading design files to obtain CNC milling parts quotations, you only need to wait for 2 hours to quickly obtain project cost estimates.

Fast Lead Time

Longsheng provides solutions to accelerate manufacturing cycles through domestic manufacturing and modern equipment, ensuring timely project delivery.

Consistent High Quality

Through continuous analysis of data and feedback, our quality management system ensures that the production process is always in optimal condition.

24/7 Engineering Support

Our engineers provide suggestions based on your project requirements to ensure that your design, material, and manufacturing choices are most suitable for your needs.

Our CNC Milling for Various Industrial Applications

Crossing numerous industries, Longsheng uses highly advanced technology, from prototype production to on-demand manufacturing, and then to large-scale production, to ensure the excellent quality and reliable performance of parts, ensuring the success of your project.

Frequently Asked Questions about milling Parts Manufacturing

We provide new product developers with engine machining parts suitable for functional testing or final use of engineering -level materials. Get your required CNC machining services support by reading FAQ.

CNC milling can be used with a wide range of materials, including metals (such as aluminum, brass, copper, stainless steel), plastics (such as ABS, nylon, polycarbonate), and composites (such as carbon fiber, fiberglass).

CNC milling can be used to produce a wide range of parts, from simple shapes to complex geometries. Some common examples of parts that can be produced with CNC milling include brackets, gears, housings, and prototypes.

We offer a variety of finishes, including anodizing, plating, powder coating, and painting. If you have a specific finish requirement, please let us know and we will do our best to accommodate your needs.

The time required to complete a CNC milling project depends on a variety of factors, including the complexity of the part, the quantity of parts needed, and the materials being used. We work closely with our clients to provide accurate lead times and ensure timely delivery of all projects.

We have a rigorous quality control process that involves multiple inspections and tests throughout the manufacturing process. We use advanced inspection and testing equipment to ensure that all parts meet or exceed industry standards.

We do not have a minimum order quantity. Whether you need a single part or thousands of parts, we are happy to work with you.

Our pricing is based on the complexity and quantity of the parts being manufactured. We will provide you with a detailed quote when you submit your order.

 Yes, we have a team of experienced engineers who can assist you with design and prototyping. We can work with you to optimize your designs for manufacturability and efficiency.

We offer a warranty on all of our products. If you experience any issues with our products, please contact us and we will work with you to resolve the issue.

You can submit an order by contacting us directly or through our website. We will work with you to ensure that your order is submitted correctly and that you receive the parts you need on time and within budget.

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