Precision CNC Machining for Efficient Manufacturing

Achieve Flawless Results with Advanced Precision CNC Machining Services, Tailored to Your Exact Needs. From High-Precision Production to Premium Surface Finishing, We Deliver Solutions Designed to Elevate Your Projects.

Precision CNC Machining for Efficient Manufacturing

Achieve Flawless Results with Advanced Precision CNC Machining Services, Tailored to Your Exact Needs. From High-Precision Production to Premium Surface Finishing, We Deliver Solutions Designed to Elevate Your Projects.

CNC Machining Expertise

Explore the versatility of CNC processes and equipment to meet diverse project requirements.

3/4/5-Axis CNC Milling​

CNC milling ensures high-precision machining for complex geometries, delivering superior surface finishes and tight tolerances for aerospace, automotive, and medical applications. Reliable for prototypes and production runs.

CNC Turning service​

CNC turning provides precision machining for various materials, ensuring accurate dimensions and smooth surface finishes. Suitable for parts ranging from simple to complex designs across diverse industries.

CNC Drilling Service

CNC drilling offers precise hole placement and size control for metals, plastics, and composites. Ideal for industries requiring high accuracy and efficient production, such as aerospace and automotive.

CNC Wire-Cutting (EDM)

CNC wire-cutting and EDM produce intricate, high-precision parts with tight tolerances, ideal for hard materials in industries like automotive, aerospace, and electronics, ensuring superior quality.

CNC Machining Expertise

Explore the versatility of CNC processes and equipment to meet diverse project requirements.

3/4/5-Axis CNC Milling​

CNC milling ensures high-precision machining for complex geometries, delivering superior surface finishes and tight tolerances for aerospace, automotive, and medical applications. Reliable for prototypes and production runs.

CNC Turning service​

CNC turning provides precision machining for various materials, ensuring accurate dimensions and smooth surface finishes. Suitable for parts ranging from simple to complex designs across diverse industries.

CNC Drilling Service

CNC drilling offers precise hole placement and size control for metals, plastics, and composites. Ideal for industries requiring high accuracy and efficient production, such as aerospace and automotive.

CNC Wire-Cutting & EDM

CNC wire-cutting and EDM produce intricate, high-precision parts with tight tolerances, ideal for hard materials in industries like automotive, aerospace, and electronics, ensuring superior quality.

Why Choose Our CNC Machining Services

With over 30 years of expertise in precision CNC machining,KEYWIN employs advanced equipment such as HAAS CNC mills, Hexagon CMM instruments, and Olympus XRF analyzers to ensure precision and efficiency at every production stage. These cutting-edge tools enable us to handle complex geometries, tight tolerances up to ±0.01mm, and intricate details, all while meeting the highest industry standards.

KEYWIN’s core engineering team is highly skilled and experienced, having completed over 5,000 projects. We specialize in delivering innovative, customized solutions to make your products stand out. Our 100% quality control process, from material selection to final inspection, ensures consistency, durability, and high performance in every part we produce. Whether you need small-batch prototypes or large-scale orders exceeding 5,000 units, our flexible customization services are designed to meet your most specific and complex requirements, helping you achieve exceptional results every time.

Why Choose Our CNC Machining Services

Over 30 years of experience in precision CNC machining, KEYWIN utilizes advanced equipment like HAAS CNC mills, Hexagon CMM instruments, and Olympus XRF analyzers to ensure precision and efficiency. Our skilled engineering team, with over 5,000 projects completed, specializes in customized solutions with tight tolerances up to ±0.005mm. We provide 100% quality control, ensuring durability and high performance in every part. Whether small-batch prototypes or large orders, our flexible services meet your specific requirements for exceptional results.

What is CNC Machining?

CNC (Computer Numerical Control) machining is a versatile manufacturing process that uses automated cutting to shape materials like metal, plastic, or composites. CNC machines, including 3-axis, 4-axis, and 5-axis mills, lathes, and planers, provide flexibility for precision and complex geometries. Depending on the operation, either the workpiece or the tool moves, or both for greater accuracy.

At Keywin, our advanced equipment and skilled team deliver high-precision, efficient custom machining solutions to meet your manufacturing needs.

An introduction to CNC machining in the mechanical industry, showing the process of using computer - controlled machines to precisely shape metal workpieces.

CNC Project Gallery

Explore our stunning CNC machining projects that showcase our craftsmanship and precision.

Our CNC Machining Tolerances

Understanding CNC machining tolerances is crucial for achieving the precision required in high-quality manufacturing. This guide provides an overview of the standard tolerances used in CNC machining processes.

Standards

CNC MillingCNC Turning
Maximum Part Size

6000 x 4000 x 800 mm

 236.22 x 157.48 x 31.5 inches

1500 × 6000 mm 

59.06 × 236.22 inches

Minimum Part Size

0.2 x 0.2 x 5 mm              

0.008x 0.008 x 0.197 inches 

1 x 50 mm 

0.039 x 1.968 inches

Minimum Feature Size

Ø 0.2mm 

Ø 0.008 inches

Ø 0.50 mm

φ0.0019 inches

Threads and Tapped Holes

Thread size: M1.6 – M500(0-80" - 20")

Tapping depth: 2 – 5 times thread diameter

Thread size: M5 – M500(6-32" - 20")

Tapping depth: 2 – 5 times thread diameter

Standard Tolerances

+/-0.005mm             

0.0002 inches

+/-0.005mm             

0.0002 inches

CNC Machining Materials

Explore a wide range of materials for CNC machining, including solutions for metal, plastic, and wood CNC machining, tailored to meet the needs of every industry and application.

Aluminum machining services in the mechanical industry, showing the processes of cutting, shaping, and finishing aluminum materials to create various components.
Aluminum is a lightweight, corrosion-resistant material known for its excellent machinability, thermal conductivity, and strength-to-weight ratio. Widely utilized in aerospace, automotive, and industrial sectors, it delivers outstanding performance in applications requiring precision and durability. Its versatility and recyclability make it an environmentally friendly and cost-effective choice for both structural and high-performance designs. 

Learn more

CNC machining of brass in the mechanical industry, demonstrating the precise cutting, shaping, and finishing processes to create high - quality brass components.
Brass, a copper-zinc alloy, offers exceptional machinability, corrosion resistance, and an attractive finish. It is extensively used in plumbing, decorative fixtures, and precision electrical components. Combining mechanical strength with aesthetic appeal, brass is a preferred material in industries demanding high-quality and visually appealing solutions. Its versatility ensures reliable performance in both functional and ornamental applications.
Copper being processed using CNC machines in the mechanical machining industry, including milling and drilling operations.
Copper is prized for its superior electrical and thermal conductivity, corrosion resistance, and formability. Essential in electrical systems, heat exchangers, and architectural designs, it delivers unmatched performance in demanding environments. Its recyclability and adaptability ensure its continued relevance in sustainable engineering and modern manufacturing.
Titanium being processed in the mechanical machining industry, including forging and turning operations.
Titanium alloys offer an exceptional combination of strength, low density, and corrosion resistance, making them indispensable in aerospace, medical, and marine industries. Known for biocompatibility and resilience under extreme conditions, titanium is ideal for high-performance, lightweight designs where reliability is paramount.
Stainless steel is being processed in the mechanical machining industry, including welding, grinding, and bending operations to produce various industrial components.
Stainless steel is a versatile material offering outstanding durability, rust resistance, and hygiene. It is widely used in construction, medical devices, and food processing industries. Its excellent mechanical properties and ability to endure harsh environments ensure consistent performance and reliability in demanding applications.
In the mechanical processing industry, carbon steel is machined into various parts such as bolts, nuts and shafts by different mechanical tools, making use of its high strength and good plasticity to meet industrial needs.
Carbon steel combines strength, toughness, and affordability, making it essential for construction, heavy machinery, and automotive industries. With excellent weldability and machinability, it serves as a reliable material for structural components and engineering projects demanding robust and cost-efficient solutions.
In the mechanical processing industry, CNC machines are used to precisely machine magnesium alloy materials into various high - precision components, taking advantage of magnesium alloy's light - weight and high - strength properties to meet the needs of aerospace and automotive industries.
Alloy steel delivers enhanced strength, wear resistance, and toughness through precise alloying processes. It is widely applied in high-stress machinery, automotive components, and cutting tools, offering exceptional performance in challenging and demanding industrial environments.
In the mechanical processing industry, CNC machines are used to precisely machine magnesium alloy materials into various high - precision components, taking advantage of magnesium alloy's light - weight and high - strength properties to meet the needs of aerospace and automotive industries.
Magnesium alloys are ultra-lightweight and deliver impressive strength-to-weight ratios, making them ideal for aerospace, electronics, and automotive applications. Their ability to reduce weight without compromising structural integrity drives innovation in cutting-edge design and engineering.
Polypropylene (PE) being processed in the mechanical machining industry, including injection molding and cutting operations.
Polyethylene (PE) is a widely used thermoplastic known for its excellent chemical resistance, durability, and low moisture absorption. Available in various grades like HDPE and LDPE, it’s used in packaging, containers, and pipes, offering flexibility, strength, and cost-effectiveness for a variety of industrial applications.
Polypropylene (PP) is a versatile and robust thermoplastic that is chemically resistant, lightweight, and has a high melting point. Commonly used in automotive parts, packaging, and medical devices, it offers excellent fatigue resistance, low density, and high chemical stability for a range of applications.
Polystyrene (PS) is a clear, rigid thermoplastic known for its excellent electrical insulation properties, ease of molding, and affordability. It’s commonly used in packaging, disposable cutlery, and insulation products, offering good dimensional stability and ease of processing in various applications.
PVC being processed in the mechanical machining industry, including cutting, shaping and drilling operations.
Polyvinyl chloride (PVC) is a versatile and durable thermoplastic with excellent chemical and weather resistance. It is commonly used in construction, plumbing, and electrical insulation, offering high strength, rigidity, and flame retardancy in both rigid and flexible forms.
PET being processed in the mechanical machining industry, including thermoforming and cutting operations.
Polyethylene terephthalate (PET) is a strong, durable, and transparent plastic commonly used in beverage bottles, food containers, and textile fibers. It is known for its excellent chemical resistance, high tensile strength, and recyclability, making it an ideal choice for sustainable applications.
Nylon being processed in the mechanical machining industry, including injection molding and machining operations.
Nylon is a strong, lightweight, and abrasion-resistant thermoplastic known for its excellent mechanical properties. Used in automotive, textiles, and industrial applications, it provides high strength, wear resistance, and stability in harsh environments.
Polycarbonate being processed in the mechanical machining industry, including operations like machining and polishing.
Polycarbonate (PC) is a high-performance thermoplastic known for its exceptional impact resistance, optical clarity, and high heat resistance. It is widely used in eyewear lenses, automotive parts, and electrical components, providing durability and versatility for demanding applications.

 

Polyurethane (PU) is a versatile plastic known for its flexibility, durability, and abrasion resistance. It is commonly used in automotive, footwear, and industrial applications, providing high resilience, wear resistance, and comfort in flexible or rigid forms.

CNC Surface Finishing

Achieve the ideal texture and durability through processes such as anodizing, electroplating, and spraying, catering to the diverse needs of various industries.

CNC FAQs

Have questions about CNC machining? We’ve compiled a list of frequently asked questions to help you understand our processes better.

We can achieve tolerances as precise as 0.005 mm or ±0.0002 inches, depending on the material and part complexity. Please share your project details for confirmation.
We follow strict quality control processes, including Incoming Inspection (Spectrometer), Process Inspection (Micrometer), Final Inspection (2D/3D Measuring Instruments), etc. to ensure every part meets the specified standards.
Lead time varies depending on the complexity and order quantity, but typically we can deliver prototypes in 5-7 days. Production runs may take 30 days.
Expedited service is available for urgent needs, typically 3–5 days, depending on part complexity.
We accept both small and large orders. There is no strict MOQ, 1pcs sample is also ok. But certain projects may have specific requirements depending on order complexity / material versatility.
Our CNC machining process includes several steps:
1. Design and Programming: We use CAD/CAM software to create and optimize part designs.
2. Material Preparation: Selecting and preparing the appropriate material.
3. Machining: Precision CNC machining using state-of-the-art equipment.
4. Quality Inspection: Every part is inspected to ensure it meets specifications.
Yes, we specialize in custom CNC machining for complex parts and intricate designs. We collaborate with clients to meet unique design specifications.
Yes, we follow sustainable practices by strictly adhering to local environmental regulations by minimizing material waste, recycling scrap, and utilizing energy-efficient equipment. Our commitment is to deliver high-quality machining with minimal environmental impact.
Our CNC machines can handle parts up to 600mm x 400mm x120mm. The maximum size depends on the machine and process used.

CNC FAQs

Have questions about CNC machining? We’ve compiled a list of frequently asked questions to help you understand our processes better.

We can achieve tolerances as precise as 0.005 mm or ±0.0002 inches, depending on the material and part complexity. Please share your project details for confirmation.
We follow strict quality control processes, including Incoming Inspection (Spectrometer), Process Inspection (Micrometer), Final Inspection (2D/3D Measuring Instruments), etc. to ensure every part meets the specified standards.
Lead time varies depending on the complexity and order quantity, but typically we can deliver prototypes in 5-7 days. Production runs may take 30 days.
Expedited service is available for urgent needs, typically 3–5 days, depending on part complexity.
We accept both small and large orders. There is no strict MOQ, 1pcs is also ok. But certain projects may have specific requirements depending on order complexity / material versatility.
Our CNC machining process includes several steps:
1. Design and Programming: We use CAD/CAM software to create and optimize part designs.
2. Material Preparation: Selecting and preparing the appropriate material.
3. Machining: Precision CNC machining using state-of-the-art equipment.
4. Quality Inspection: Every part is inspected to ensure it meets specifications.
Yes, we specialize in custom CNC machining for complex parts and intricate designs. We collaborate with clients to meet unique design specifications.
Yes, we follow sustainable practices by strictly adhering to local environmental regulations by minimizing material waste, recycling scrap, and utilizing energy-efficient equipment. Our commitment is to deliver high-quality machining with minimal environmental impact.
Our CNC machines can handle parts up to 600mm x 400mm x120mm. The maximum size depends on the machine and process used.

CNC Machining for Various Industrial Applications

Our CNC machining services have been recognized by our global clientele from a variety of industries. We offer CNC machined parts for a variety of industries, including the list below and more.

Automotive parts produced by machining processes in the automotive industry, including various shapes and details.

Automotive

Precision components for engines, chassis, and electric vehicles.
 
 
In the agriculture sector, mechanical processing techniques are employed to craft diverse agricultural implements like plows, seeders, and threshers, enhancing farming efficiency and yield.

Agriculture & Farming

Reliable components for tractors, harvesters, and livestock equipment.
 
Precision marine parts manufacturing through advanced mechanical processing techniques, ensuring high - quality components for the marine industry.

Marine

Corrosion-resistant parts for boats, yachts, and offshore systems.
 
 
Outdoor equipment components manufacturing process in the mechanical industry, showing the production of various components.

Outdoor Equipment

Durable parts for lawn mowers, gardening tools, and outdoor machines.
 
High - precision manufacturing of consumer electronics components using advanced mechanical processing, guaranteeing quality and performance for the consumer electronics industry.

Electronics

Custom components for consumer electronics, enclosures, and industrial devices.
 
 
In the mechanical processing industry, drones conduct aerial inspections and data collection, while CNC robots perform high - precision machining on metal parts, enhancing efficiency and quality control.

Drones & Robotics

Lightweight, precise components for drones, robots, and automation systems.
 
 
High - precision manufacturing services in the mechanical processing industry for energy storage systems, creating reliable components.

Renewable Energy

High-quality parts for solar, wind, and clean energy solutions.
 
 
 
High - precision manufacturing service for medical devices in the mechanical processing industry, producing reliable medical equipment for healthcare applications.

Medical Devices

Precision parts for medical tools, surgical devices, and diagnostics.
 
 
Automotive parts produced by machining processes in the automotive industry, including various shapes and details.

Automotive

Precision components for engines, chassis, and electric vehicles.
 
 
In the agriculture sector, mechanical processing techniques are employed to craft diverse agricultural implements like plows, seeders, and threshers, enhancing farming efficiency and yield.

Agriculture & Farming

Reliable components for tractors, harvesters, and livestock equipment.
 
 
Precision marine parts manufacturing through advanced mechanical processing techniques, ensuring high - quality components for the marine industry.

Marine

Corrosion-resistant parts for boats, yachts, and offshore systems.
 
 
 
Outdoor equipment components manufacturing process in the mechanical industry, showing the production of various components.

Outdoor Equipment

Durable parts for lawn mowers, gardening tools, and outdoor machines.
 
 
High - precision manufacturing of consumer electronics components using advanced mechanical processing, guaranteeing quality and performance for the consumer electronics industry.

Electronics

Custom components for consumer electronics, enclosures, and industrial devices.
 
 
In the mechanical processing industry, drones conduct aerial inspections and data collection, while CNC robots perform high - precision machining on metal parts, enhancing efficiency and quality control.

Drones & Robotics

Lightweight, precise components for drones, robots, and automation systems.
 
 

From Small Batch CNC Machining to Scalable Production

Whether you’re validating a new design or scaling to mass production, our CNC machining services adapt to your pace — without compromising on precision or lead time.
Low-Volume CNC Machining showcases precision manufacturing in the mechanical processing industry. The advanced CNC machines are producing high - quality parts with accuracy and efficiency, suitable for small - batch production.component production.
On-demand CNC production showcases the flexibility and efficiency of modern mechanical processing, where customized parts are fabricated precisely as required.
Low-Volume CNC Machining

On-demand CNC production

Perfect for prototyping, engineering validation, and early-stage production. Our Small Batch CNC Machining Services help you iterate fast and move to scale with confidence.
As your volumes grow, we provide high-capacity, precision CNC manufacturing to meet demanding schedules and quality expectations.
  • Minimum order starts at 50 pcs
  • Cost-effective, fast lead tim
  • Production-grade CNC quality
  • Easy to iterate before scaling
  • Reliable delivery for 5,000+ pcs
  • End-to-end production traceability
  • Real-time QA & CMM inspection
  • Tight tolerance down to ±0.005mm

From Small Batch CNC Machining to Scalable Production

Whether you’re validating a new design or scaling to mass production, our CNC machining services adapt to your pace — without compromising on precision or lead time.
Low-Volume CNC Machining showcases precision manufacturing in the mechanical processing industry. The advanced CNC machines are producing high - quality parts with accuracy and efficiency, suitable for small - batch production.component production.
Low-Volume CNC Machining

Small Batch CNC Machining Services ideal for prototyping, validation, and early production — helping you iterate faster and scale with confidence.

  • Minimum order starts at 50 pcs
  • Cost-effective, fast lead tim
  • Production-grade CNC quality
  • Easy to iterate before scaling
On-demand CNC production showcases the flexibility and efficiency of modern mechanical processing, where customized parts are fabricated precisely as required.

On-demand CNC production

As your volumes grow, we provide high-capacity, precision CNC manufacturing to meet demanding schedules and quality expectations.
  • Reliable delivery for 5,000+ pcs
  • End-to-end production traceability
  • Real-time QA & CMM inspection
  • Tight tolerance down to ±0.005mm

Our Other Manufacturing Capabilities

Precision forging services in a mechanical processing plant. Skilled workers are operating advanced forging equipment to create high - precision metal parts for various industries.

Forging

Forging uses external force to shape metal and improve its internal structure.
 
 
Sheet metal fabrication services in the mechanical industry, showing the processes of cutting, bending, and assembling sheet metal to create various products.

Sheet Metal Fabrication

Sheet metal fabrication involves cutting, bending, punching, and welding to shape metal sheets.
 
 
Die casting services in the mechanical machining industry, presenting the process of shaping molten metal into precise components using high - pressure die - casting machines.

Casting

High-pressure process to mold molten metal into precise, durable parts with smooth finishes.
 
 

Start producing your CNC parts today.

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