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China CNC Turning Service

China CNC Turning Service

Are you looking for a reliable and fast supplier of CNC machining services? You've come to the right place

Our unrivalled team of machinists, engineers and quality control specialists use state-of-the-art CNC technology to work together to ensure that your products are finished correctly and shipped on time.

At Kesu, we have designed our ISO 9001: 2015 certified CNC manufacturing facilities for rapid prototyping and small batch production of a wide range of components.

Our CNC machining services also complement our other manufacturing capabilities such as 3D printing and injection moulding to provide you with a full range of manufacturing solutions.

We produce simple and complex precision machined parts in a variety of materials and surface finishes.

What is CNC machining?

Computer numerical control (CNC) machining is a subtractive manufacturing processㅡ, which means it uses machine tools to remove parts of material from a workpiece until it takes the desired shape.

A computer programme (also known as a G-code) controls the sequence in which the CNC machines (or workpieces) move against each other to create the desired part.

Standard CNC machines include multi-axis CNC milling machines, lathes (or lathes) and milling machines. Although all CNC machine types rely on computer instructions to perform subtractive manufacturing, they operate in slightly different modes.

For example, CNC milling machines operate by holding the workpiece in place while the cutting tool rotates relative to the workpiece. In contrast, a CNC lathe makes parts by holding the cutting tool in place as the workpiece rotates relative to it.

High precision CNC machined parts

CNC machines can create a wide range of features and high precision parts. For example, CNC milling machines are ideal for producing cavities, angles, holes and slots.

In contrast, CNC lathes are suitable for creating parts that are cylindrical or symmetrical near their axis.

Despite this, CNC milling machines and lathes can achieve tolerances of ±0.001 mm.

They are also compatible with a wide range of materials, including metals and plastics, as long as these materials can be used in blocks. This is not the case with additive manufacturing technologies such as 3D printing, which are only compatible with plastics and a few metals.


China CNC Turning Service

Kesu's service advantages

Quality and reliability

We have highly trained engineers, machinists and quality control specialists who can complete your product in one go. Our team of experts follow industry standards and use best-in-class software, state-of-the-art CNC technology and quality control tools to manufacture our customers' parts.


Wide range of material options

We offer a wide selection of materials including metal parts (e.g. aluminium, steel, stainless steel, brass, copper), plastic parts (e.g. POM, PTFE, PC, PEEK, PET) and special alloys (e.g. ferrous alloys, Yin steel, Inconel, titanium, Mocu).


World-class machine shop

We adhere to a number of key industrial, quality and environmental standards. For example, our machine shop is certified to the ISO 9001 quality management system.


Cost-effective manufacturing services

At Kesu, we adhere to strict Design for Manufacture (DFM) standardsㅡ, which means we design parts and optimise designs to simplify manufacturing. This reduces our start-up, material and functional costs, providing you with a cost-effective manufacturing service.


Fast manufacturing and delivery

Not only do we get your product right, but we are located in the Greater Bay Area in southern China. Our proximity to major shipping ports allows us to get your product to you quickly.


Custom CNC machining

We offer a bespoke CNC machining service for customers who want to replace obsolete parts, use hard to machine materials or manufacture parts with special requirements.

We help you to cope with the complexity of CNC machining in China. Our team of highly skilled engineers.


Understand your end use (prototype, marketable, low to high volume) and help determine the right manufacturing solution

Work with you to find the right Chinese supplier for your unique needs

Manage all communication with overseas suppliers so you don't have to We have team members in China to help manage your project

Upload your CAD files for immediate quotation and manufacturability design feedback We want to win your business. If you get a lower quote for CNC machining, send it to us and we'll do our best to beat it.

How CNC machining works: an overview

How does CNC machining work?

CNC machining is a subtractive manufacturing process that uses computerised controls and machine tools to remove some of the stock material until the required bespoke part is made from the workpiece.

The machining process begins with the creation of a CAD (Computer Aided Design) model of the required part, which is then loaded into CAM (Computer Aided Manufacturing) software and converted into a set of computer instructions.

This set of instructions (or G-code) allows the machine to perform different cutting operations at high speeds (thousands of RPM) until the required custom part is produced.


How does CNC machining compare to 3D printing?

Both CNC machining and 3D printing rely on CAD files and computer input to transform the starting material into the required customised part. However, unlike the subtractive CNC machining process, 3D printing is an additive machining process. It revolves around adding material in layers to build the required custom part.

CNC machining offers a wide choice of materials, whereas 3D printing is only available for plastics, polymers and some powdered metals. In addition, CNC machined parts are often stronger than 3D printed parts; therefore, CNC machining is ideal for prototyping and production of functional parts.


What are the different types of CNC machining?

There are many different types of CNC machines, each with its own unique features.

CNC lathes and milling machines have built-in tools for cutting and drilling workpieces through to the manufacture of customised CNC parts. They are available in 3-, 4- and 5-axis configurations, depending on the complexity of the part.

The CNC milling process involves holding the part in place while the cutting tool rotates around it, whereas in CNC turning the part rotates around the fixed cutting tool to form the desired shape.

Unlike CNC milling and turning machines, which rely on cutting tools, CNC electric discharge machining machines (EDM) use electric sparks to machine the material into the desired shape.

CNC machining services materials and surface treatment

If you need to manufacture parts using CNC machining, it is important to know the types of finishes and materials that can be applied to CNC machined parts. Thanks to our surface finishing partners, we can also apply all types of finishing to CNC prototype and production parts. Need a customised CNC part with a high-quality appearance? We are here to help.

Control materials

Plastics: HDPE, PS, PAGF30, POM, DHPE, ABS, PP, PPS, (acrylic), PCGF30, Teflon, PC, ABS+PC, PEEK, PMMA.

Metals: steel, aluminium, stainless steel (17-4, Inconel 625 and 718), titanium, zinc, magnesium, bronze, brass, copper.  

These are rated as common materials for CNC production parts and prototyping.

Numerically controlled machining

As-Machined: the most cost-efficient and popular way of operating components in-house. Uniform and fine toolpaths are also good, for aspect parts.

Sandblasted: parts are left with a matt appearance. a range of 320 to 120 beads allows us to apply different roughnesses to the surface.

Anodising: Type II has a wear-resistant surface. Parts can be anodised in a variety of colours - black, red, clear and blue are the most common. It is usually associated with the low silicon element series of aluminium.

Type III is thicker and produces a wear resistant layer in addition to the corrosion resistance of Type II.

Powder coating: This is a process whereby a powder coating is sprayed onto a part that is then prepared in an oven. This forms a strong, hard-wearing and consumption-safe layer that is more robust than standard painting methods. A wide range of colours can be used to give a perfectly tasteful finish.

We manufacture equipment for machined parts.

We operate all the necessary milling equipment with high precision, so we produce high-quality metal and plastic parts. There is a strict follow-up of machine tolerances and we make adjustments when necessary. Two highly skilled programmers create CAM programs for the numerous machined parts on a daily basis. In addition, a quality engineer follows the first samples off the machine and carries out inspections and adjustments on site.


We have a number of 3- and 4-axis CNC milling centres.

5-axis CNC machining centres.

Milling centres for large parts up to 4 metres long.

CNC lathes

Conventional turning and milling machines.

Drilling and deburring of holes.

Tapping of threaded holes.

Reaming of holes with narrow tolerances.


Kesu offers CNC services and provides custom CNC quotes for over 40 materials, from commercial aluminum and acetal to advanced titanium and engineering plastics such as PEEK and Teflon.

Kesu offers CNC services and provides custom CNC quotes for over 40 materials, from commercial aluminum and acetal to advanced titanium and engineering plastics such as PEEK and Teflon.

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This process relies heavily on the use of machine tools as well as power and hand tools.

This process relies heavily on the use of machine tools as well as power and hand tools.

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CNC machining is a process in which a machine uses a controlled material removal process to carve a solid piece of raw material into the desired 3D geometry and dimensions.

CNC machining is a process in which a machine uses a controlled material removal process to carve a solid piece of raw material into the desired 3D geometry and dimensions.

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With precision 3-, 4- and 5-axis CNC machining centers, combined with other advanced capabilities and our experienced team, we can handle all types of CNC machined parts in metal and plastic materials.

With precision 3-, 4- and 5-axis CNC machining centers, combined with other advanced capabilities and our experienced team, we can handle all types of CNC machined parts in metal and plastic materials.

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However, subtractive manufacturing is widely applicable to the manufacture of metal products, wood, plastics, ceramics and composites.

However, subtractive manufacturing is widely applicable to the manufacture of metal products, wood, plastics, ceramics and composites.

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Part geometry information is provided by CAD (Computer Aided Design) models.

Part geometry information is provided by CAD (Computer Aided Design) models.

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CNC or computer numerical control machining is a widely used manufacturing process that uses automated, high-speed cutting tools to form designs from raw metal or plastic.

CNC or computer numerical control machining is a widely used manufacturing process that uses automated, high-speed cutting tools to form designs from raw metal or plastic.

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Kesu offers a wide range of precision CNC machining services, including milling, turning, EDM, wire cutting and surface grinding.

Kesu offers a wide range of precision CNC machining services, including milling, turning, EDM, wire cutting and surface grinding.

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Once done by hand, processes such as wood carving, forging and metal filling have undergone rapid advances over the past century and now incorporate a wide range of technologies that make them more efficient and precise.

Once done by hand, processes such as wood carving, forging and metal filling have undergone rapid advances over the past century and now incorporate a wide range of technologies that make them more efficient and precise.

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CNC Milling - Milling is often considered to be the most common machining process that uses a CNC milling cutter to make a circular motion on a stationary part and create milled parts with certain shapes and details, including slots, holes, notches, reces

CNC Milling - Milling is often considered to be the most common machining process that uses a CNC milling cutter to make a circular motion on a stationary part and create milled parts with certain shapes and details, including slots, holes, notches, reces

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CNC turning - a technique in which a block of material fixed to a CNC turning center or lathe is rotated at high speed while the tool enters the rotary axis to machine the workpiece, resulting in a CNC turned part with cylindrical features.

CNC turning - a technique in which a block of material fixed to a CNC turning center or lathe is rotated at high speed while the tool enters the rotary axis to machine the workpiece, resulting in a CNC turned part with cylindrical features.

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Highly skilled machinists can make precision parts on all types of CNC lathes, but modern machining centers help ensure that the similarity between machined parts is close to identical.

Highly skilled machinists can make precision parts on all types of CNC lathes, but modern machining centers help ensure that the similarity between machined parts is close to identical.

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Standard CNC machines include 3-, 4- and 5-axis mills, lathes and routers.

Standard CNC machines include 3-, 4- and 5-axis mills, lathes and routers.

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CNC uses computers to control the movement and operation of milling machines, lathes and other cutting machines.

CNC uses computers to control the movement and operation of milling machines, lathes and other cutting machines.

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Machines may vary in the way CNC parts are cut - the workpiece may remain in place as the tool moves, the tool may remain in place as the workpiece rotates and moves, or the cutting tool and workpiece may move together.

Machines may vary in the way CNC parts are cut - the workpiece may remain in place as the tool moves, the tool may remain in place as the workpiece rotates and moves, or the cutting tool and workpiece may move together.

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Turning can perform many operations, such as turning, boring, and threading.

Turning can perform many operations, such as turning, boring, and threading.

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