CNC Machining

Custom CNC Machining Services

Experience top-notch CNC machining services tailored to your needs. Led by a skilled team, we handle diverse materials such as brass, titanium, aluminum alloys, stainless steel, and engineering plastics.

JIAHUI excels in milling, turning, drilling, tapping, and threading processes, delivering precise and complex components. Quality is paramount, with thorough inspections conducted by our dedicated team. Trust us for exceptional CNC machining services.

  • High tolerances
  • Rapid CNC online quotes
  • 24/7 engineering support
CNC Machining -

What’s CNC Machining Process?

CNC machining is the latest manufacturing technique that uses computerized controls and precision machinery to fabricate intricate and precise components. It involves using computer-aided design (CAD) software to design detailed digital models, translated into machine-readable instructions, known as G-code.

CNC machines, including milling machines, drill machine, welding machine, grinder machine, slotting machine, lathes, routers, and grinders, employ motorized axes to move cutting tools accurately. These machines often feature multi-axis capabilities, enabling the production of complex geometries. One of the prime advantages of CNC machining is its exceptional accuracy and repeatability, ensuring consistent quality across large production runs. It is suitable for various materials, such as aluminum, steel, titanium, plastics, and composites.

CNC machining enables the creation of intricate designs and complex shapes that would be challenging to achieve using traditional machining methods. The automation provided by CNC machines increases productivity and cost-efficiency by reducing manual labor. CNC machining revolutionizes manufacturing by integrating computer control, precise machinery, and advanced design capabilities. It enables the production of high-quality components with speed, accuracy, and versatility, meeting the demands of various industries.

Our Qualification for CNC Machining Service

At JIAHUI, we pride ourselves on our extensive qualifications and expertise in CNC machining. With years of industry experience, we have established ourselves as a trusted provider of precision machining solutions.

We maintain a state-of-the-art facility equipped with advanced CNC machines from renowned manufacturers. Our impressive machinery lineup includes well-known brands, enabling us to handle various machining requirements and deliver exceptional results.

Our dedicated quality assurance team utilizes advanced metrology equipment to conduct thorough inspections, guaranteeing precision, dimensional accuracy, and adherence to specifications. Furthermore, we understand the significance of effective project management and timely delivery. Our streamlined processes and efficient workflow allow us to optimize production schedules and meet project deadlines without compromising quality.

Manufacturing Process

With a meticulous blend of cutting-edge technology and expert craftsmanship, CNC machining ensures the production of intricate and precise components across diverse industries. Our CNC machining services exemplify this synergy, utilizing advanced software and multi-axis machines to translate digital designs into tangible parts.

CNC Machining Process Categories

CNC machining is an automated technology divided into different categories based on functions and working. Each CNC machining process is specialized to perform a specific task. Our technology experts use relevant processes that meet the needs of the required part and manufacture high-precision complex parts.

CNC Milling -

CNC Milling Process

CNC milling is a subtractive manufacturing technology in which different cutters shape the workpiece on a moveable tabletop. 3D CAD software helps to design the parts, and later CAM software converts this 3D model into a set of instructions used by CNC milling machines to produce a certain component. With CNC milling, manufacturing industries can create intricate geometries with high precision, repeatability, and faster production time.

CNC Turning -

CNC Turning Process

The CNC turning process typically involves the production of cylindrical parts. During the process, the material is removed from the rotating workpiece with the help of static cutting tools to get the desired shape of the part. Different cutting tools can be used according to the demand of machining operations like, threading, finishing, roughing, grooving, etc. The CNC turning process is known for its ability to form complex geometries with high consistency, accuracy, and precision.

CNC Boring -

CNC Boring Process

The CNC boring process deals with creating holes in the workpiece. This process may be used to enlarge and refine an existing hole on the part or to cast a hole to a particular diameter on the workpiece with accuracy and precision. CNC boring machines exist in different forms, like vertical and horizontal boring machines. The boring tools used in these machines are similar to lathes used in CNC milling and turning machines. CNC boring is mostly used in aerospace, automotive, and energy industries to attain consistency and precision in end products.

Material Weight Size Limit Surface Finish Wall Thickness
Aluminum 10g-500kg 2000mm×1000mm×600mm Ra1.6µm~0.4µm ±0.1mm~0.01mm
Copper 10g-500kg 2000mm×1000mm×600mm Ra3.2µm~0.4µm ±0.1mm~0.01mm
Stainless Steel 10g-500kg 2000mm×1000mm×600mm Ra3.2µm~0.4µm ±0.1mm~0.01mm
Steel 10g-500kg 2000mm×1000mm×600mm Ra3.2µm~0.4µm ±0.1mm~0.01mm
Titanium 10g-500kg 2000mm×1000mm×600mm Ra1.6µm~0.4µm ±0.1mm~0.01mm
Magnesium 10g-500kg 2000mm×1000mm×600mm Ra1.6µm~0.4µm ±0.1mm~±0.05mm
Zinc 10g-500kg 2000mm×1000mm×600mm Ra1.6µm~0.4µm ±0.1mm~±0.05mm
Plastic 10g-500kg 2000mm×1000mm×600mm Ra3.2µm~0.8µm ±0.05mm~0.2mm

Our CNC Machining Production Capabilities

JIAHUI takes pride in producing dimensionally and geometrically complex casting products with excellent proficiency. Our vetted experts never compromise on the measurements of the parts to ensure their accuracy.

Materials for CNC Machining Parts

At JIAHUI, we work with various metals for CNC machining, including aluminum, steel, titanium, and alloys, each chosen for their specific properties, such as strength, conductivity, and corrosion resistance. Additionally, we excel in machining various engineering plastics, from ABS and PC to POM and PP, offering versatility and durability for diverse applications.

  • Aluminum
  • Copper
  • Stainless Steel
  • Carbon Steel
  • Zinc
  • Titanium
  • ABS
  • POM
  • PC
  • PA
  • PP


The distinctive characteristics of aluminum make it one of the best materials for die-casting. The major aluminum alloys are A360, A380, A390, A413, ADC12, and ADC1. Among all, the A380 is the most worthwhile aluminum alloy.


  • Excellent corrosion resistance
  • Lightweight
  • High strength and hardness
  • Outstanding thermal conductivity
  • High electrical conductivity
  • Remarkable EMI and RFI shielding properties



Copper is a reddish-orange metal with a face-centered cubic structure that is highly valued for its aesthetics. It exhibits remarkable properties, yet, it can be alloyed with different elements, such as aluminum, tin, zinc, nickel, etc., to improve its characteristics further. The following are some fundamental properties of copper that make it ideal for producing die-casting parts.


  • Very soft
  • An excellent conductor of heat and electricity
  • Good corrosion resistance
  • High ductility
  • Fine malleability


Stainless Steel

Stainless Steel

Stainless steel is metal-enriched with chromium elements (11%) and a small amount of carbon. Chromium offers corrosion resistance to stainless steel. Due to this, the die-cast parts are less likely to be affected by rust or corrosion. It can be easily molded into several forms. Thus, manufacturers prefer it for the die-casting process.


  • Extremely durable
  • High tensile strength
  • Corrosion resistant
  • Easy fabrication and formability
  • Low maintenance cost


Carbon Steel

Carbon Steel

Carbon steel is famous for its low cost and versatile nature. Typically, carbon steel is divided into three categories, i.e., low-carbon, medium-carbon, and high-carbon steel. The properties of these types differ according to the carbon content present in the material. Low-carbon steel is known for its good machinability and weldability, whereas high-carbon steel is used in high-strength applications.


  • Very hard
  • Ductile and malleable
  • Relatively low tensile strength
  • Good machinability
  • Low cost



Zinc lead other metal materials in terms of its exceptional strength, firmness, toughness, and performance. It is preferred for manufacturing complex parts like automotive parts, housings, and die-casting meters for their better fluidity and corrosion resistance. The most common zinc alloys are Zamak 2, Zamak 3, Zamak 5, Zamak 7, ZA-8, ZA-12, and ZA-27.


  • Incredible mechanical properties
  • Excellent castability
  • Longer die life
  • Great surface smoothness
  • Cost-effective
  • High ductility




Titanium is a silver-grey transition metal often used for manufacturing high-strength parts. It is relatively soft when present in its pure form. However, adding certain elements like iron, aluminum, and vanadium makes titanium harder. The properties of titanium make it a perfect choice for manufacturers to use for die-casting parts.


  • Extremely high tensile strength
  • Lightweight
  • High corrosion resistance
  • Able to withstand extreme temperatures
  • High melting point
  • Excellent oxidation capabilities




ABS is a thermoplastic material known for its strength, impact resistance, and toughness. It is widely used in various industries for its excellent mechanical properties, ease of processing, and versatility. ABS is commonly found in applications such as automotive parts, toys, electronics, and household appliances.


  • High-impact resistance and toughness
  • Good dimensional stability
  • Excellent chemical resistance
  • Easy to process and mold
  • Versatile and used in various applications, including automotive, electronics, and consumer goods.




POM, also known as acetal or Delrin, is a high-performance engineering thermoplastic known for its excellent strength, stiffness, and dimensional stability. It has low friction, good wear resistance, and is resistant to moisture, chemicals, and solvents. POM is commonly used in mechanical and precision parts, automotive components, and electrical applications.


  • High strength and stiffness
  • Low friction and wear resistance
  • Excellent dimensional stability
  • Good chemical resistance
  • Low water absorption


PC -


PC is a durable and transparent thermoplastic material known for its high impact resistance and optical clarity. It has good electrical insulating properties, excellent dimensional stability, and can bear a wide range of temperature. PC is commonly used in safety glasses, automotive components, and electronic enclosures.


  • High impact resistance
  • Optical clarity
  • Good dimensional stability
  • Electrical insulation
  • Wide temperature range


PA -


PA, commonly known as nylon, is a versatile thermoplastic material with excellent mechanical properties. It offers high strength, toughness, abrasion resistance, good chemical resistance, and dimensional stability. PA is widely used in various industries for applications such as electrical components, consumer goods, and automotive parts.


  • High tensile strength and toughness
  • Good chemical resistance
  • Low friction and wear resistance
  • Excellent dimensional stability
  • Good thermal stability


PP -


PP is a thermoplastic material known for its high chemical resistance, low density, and good thermal stability. It is lightweight, rigid, and has excellent moisture resistance. PP is commonly used in automotive parts, packaging, laboratory equipment, and various consumer products due to its versatility and cost-effectiveness.


  • High chemical resistance
  • Low density
  • Excellent moisture resistance
  • Good thermal stability
  • Versatile and cost-effective


Surface Treatment For CNC Machining Parts

Our comprehensive approach to surface treatment ensures that CNC machined parts meet and exceed expectations in form, function, and longevity, making them ready for integration into your most demanding projects.



Anodizing_CNC Machining -

Anodizing improves corrosion resistance, enhancing wear and hardness and protecting the metal surface. This surface finish is widely used in mechanical parts, aircraft, automobile parts, and precision instruments.

Aluminum, Magnesium, Titanium, Zinc

Clear, Black, Grey, Red, Blue, Gold, White, Silver, purple

Smooth, Matte finish

Bead Blasting

Bead Blasting_CNC Machining -

Bead blasting in surface treatment is a process where fine abrasive particles, such as glass beads or ceramic media, are propelled at high speed onto a surface using compressed air. This abrasive action helps to remove rust, paint, or other contaminants, leaving behind a clean and textured surface finish.

ABS, Aluminum, Brass, Stainless Steel, Steel


Smooth, Matte finish

Powder Coating

Powder Coating_CNC Machining -

Powder coating in surface treatment is a dry finishing process where a fine powder is electrostatically applied to a surface. The coated object is then cured under heat, causing the powder particles to melt and form a durable, smooth, and even coating.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Vertical stripe

Smooth, Matte finish


Electroplating_CNC Machining -

Electroplating in surface treatment is when a metal coating is applied to a conductive surface through an electrochemical reaction. It involves immersing the object to be plated in a solution containing metal ions and using an electric current to deposit a metal layer onto the surface.

Aluminum, Magnesium, Titanium,Zinc, Copper, Stainless Steel, Steel

Clear, White, Black, Grey, Red, Yellow, Blue, Green, Gold, Silver, Bronze

Smooth, Semi-matte, Matte finish


Polishing_CNC Machining -

Polishing is the process of creating a shiny and smooth surface, either through physical rubbing of the part or by chemical interference. This process produces a surface with significant specular reflection but can reduce diffuse reflection in some materials.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel


Smooth, Mirror finish


Brushing_CNC Machining -

Brushing in surface treatment refers to manually or mechanically applying abrasive brushes to a surface, usually metal, to remove imperfections, create a uniform texture, or enhance its appearance.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel


Smooth, Matte finish


Electrophoresis_CNC Machining -

Electrophoresis is a process in which charged resin particles (ions) in a solution are moved by an electric field and deposited on a metal surface to form a protective coating.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish


Blackening_CNC Machining -

Blackening is a standard method of chemical surface treatment that creates a layer of oxide film on the surface of metal to isolate the air and prevent the rust.

Aluminum, Magnesium, Titanium, Copper, Stainless Steel, Steel


Smooth, Matte finish


Painting_CNC Machining -

Painting is especially suitable for the surface of the primary material of metal. It will strengthen the material's moistureproof& rust prevention functions and enhance its compression resistance and internal structural stability.

Aluminum, Magnesium, Titanium, Zinc, Copper, Stainless Steel, Steel

Black, Grey, White, Yellow, Red, Blue, Green, Gold, Silver, Purple

Smooth, Matte finish

Excellent CNC Machining Services

Our streamlined CNC machining process guarantees accuracy and efficiency from small prototypes to large-scale production.

Typical CNC Machining Products

CNC Machining -

FAQs Related To CNC Machining

A: There are several types of CNC (Computer Numerical Control) machines, each designed for specific applications and machining processes. Here are some common types of CNC machines:

  1. CNC Milling Machines: These machines use rotary cutting tools to remove material from a workpiece. They can perform various operations such as drilling, cutting, and contouring. CNC milling machines come in different configurations, including vertical milling machines, horizontal milling machines, and gantry milling machines.
  2. CNC Lathe Machines: Also known as CNC turning machines, these machines rotate the workpiece while cutting tools shape the material. CNC lathes are used for cylindrical or symmetrical parts, such as shafts, rods, and tubes.
  3. CNC Drilling Machines: These machines are specifically designed for drilling holes in materials. They can perform precise and repetitive drilling operations with different drill bit sizes and configurations.
  4. CNC Plasma Cutters: Plasma cutters use a high-velocity jet of ionized gas (plasma) to cut through electrically conductive materials. CNC plasma cutters are normally used for cutting metal sheets and plates.
  5. CNC Laser Cutters: These machines use high powered laser beams to cut various materials, including metal, wood, plastic, and fabric. CNC laser cutters offer high precision and can create intricate designs.
  6. CNC Router Machines: CNC routers are used to cut and shape wood, plastic, and foam. They utilize a rotating cutting tool (router bit) to remove material from the workpiece.
  7. CNC Wire EDM Machines: Wire Electrical Discharge Machining (EDM) machines use a thin wire electrode to cut through conductive materials precisely. CNC wire EDM machines are commonly used for creating intricate shapes and contours.
  8. CNC Grinding Machines: These machines are used for precision grinding operations to achieve tight tolerances and smooth surface finishes. CNC grinding machines can grind various materials, including metal, ceramics, and plastics.
  9. CNC Bending Machines: These machines bend and form sheet metal or tubes into desired shapes. CNC bending machines offer precise control over angles and bend radii.

These are just a few examples of the many types of CNC machines available. Each machine type is designed for specific applications and machining processes, offering different capabilities and advantages.

A: A 5-axis CNC machine is a machine that can perform machining operations on a workpiece from five different axes of movement. The five axes on a CNC machine are typically labeled as X, Y, Z, A, and B. Here's a breakdown of what each axis represents:

  1. X-Axis: The X-axis represents the horizontal movement of the machine's cutting tool or spindle from left to right. It is typically the longest axis and runs parallel to the worktable.
  2. Y-Axis: The Y-axis represents the vertical movement of the cutting tool or spindle from front to back. It is perpendicular to the X-axis and runs perpendicular to the worktable.
  3. Z-Axis: The Z-axis represents the vertical movement of the cutting tool or spindle up and down. It is perpendicular to both the X and Y axes and controls the depth of the cut.
  4. A-Axis: The A-axis is known as the rotational or tilt axes. It allows the cutting tool or spindle to rotate or tilt horizontally. This axis enables the machine to perform angled cuts or rotate the workpiece for machining from different angles.
  5. B-Axis: The B-axis is another rotational axis, also known as the indexing axis or swivel axis. It allows the cutting tool or spindle to rotate or tilt vertically. This axis enables the machine to machine the workpiece from different orientations or perform complex contouring operations.

With the ability to move along five axes, a 5-axis CNC machine offers greater flexibility and versatility than traditional 3-axis machines. It enables the machine to reach different angles and orientations, allowing for more complex and intricate machining operations.

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