Expert CNC Machining Services

Custom CNC Machining Solutions in China

SYZ Machine provide you custom online cnc machining services, get competitive prices and ensure quality

About SYZ Machine

As a CNC machining manufacturer specializing in ATV/UTV, off-road and racing car parts, SYZ Machine is equipped with advanced machining workshops and cutting-edge equipment to meet the demands of our clients. We serve a diverse range of industries, including automotive, aerospace, industrial, power, energy and more. Our commitment to providing superior quality products at competitive prices has earned us the recognition and trust of our customers. We understand the importance of protecting our clients’ proprietary designs, which is why we offer NDAs for custom projects. Whether you have a design or sample, our experienced engineers and sales team are ready to support you with everything from quoting to delivery and after-sales service. At SYZ Machine, we are dedicated to delivering the highest quality CNC machining parts and services to meet your specific needs.

Why Choose SYZ Machine
Custom Online CNC Machining Services?

Get High Quality Precision CNC Parts and Services




We pride ourselves on producing high-quality products that meet our customers’ specifications. Our experienced machinists use state-of-the-art equipment and techniques to ensure that every product meets our strict quality standards.

CNC machining requires a high degree of precision, we have the expertise and equipment necessary to produce parts with tight tolerances and complex geometries. Standard CNC machines include 3-axis, 4-axis, and 5-axis milling machines, lathes, and routers.

Our streamlined production process allows us to deliver products quickly and efficiently, without sacrificing quality or accuracy.

Competitive Pricing

Engineering and Design Support

Assembly and Finishing Services

We strive to offer our customers competitive prices while maintaining the highest quality standards.

Our team of experienced engineers and designers can work with you to optimize your designs for CNC machining. We use advanced software to analyze your designs and ensure they are optimized for production, helping to minimize costs and reduce lead times. Whether you need help with design modifications, material selection, or assembly, our experts can provide the guidance you need.

In addition to CNC machining, we offer a range of assembly and finishing services to help our customers streamline their supply chains. Our skilled technicians can assemble your CNC parts into subassemblies or finished products, reducing your labor costs and simplifying your logistics. We also offer a range of finishing services, including anodizing, plating, powder coating, and more, to give your parts the desired appearance and protection.


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Quality You Can See

Product Features of Our CNC Machining Services

Quality Control

Quality Assurance

We attach great importance to quality. We understand that our customers depend on our parts and assemblies to perform reliably and consistently. We are committed to providing products that meet or exceed your expectations. We use advanced equipment and techniques to measure and verify the dimensions, tolerances and other critical specifications of our components. Our team of experienced engineers and technicians monitor and review every step of the process to ensure our products meet the highest standards of quality and performance.

cnc machining Quality Assurance
cnc machining Important Check Content

Important Check Content

1. Visual inspection
2. Material inspection
3. Surface treatment inspection
4. Inspection of chamfered surfaces
5. Angle check
6. Fine hole size inspection
7. Threaded hole inspection
8. All dimensions of drawings are measured and checked

General Tolerances and Precision Tolerances of Our CNC Machining Parts

General tolerances and precision tolerances are two different levels of tolerance that can be applied to CNC machined parts. General tolerances are the allowable variations in size and dimension that are acceptable for most applications. These tolerances are typically expressed as a range of values or as a percentage of the dimension being measured. The specific general tolerances used in CNC machining will depend on the material being machined, the manufacturing process used, and the specific requirements of the application. Our tolerances on metal is +/- 0.127mm and on plastic is 0.254. Precision tolerances are a higher level of tolerance that requires more precise machining and measurement techniques. These tolerances are typically used in applications where extremely tight tolerances are required, such as aerospace, medical, or military applications. Please contact our sales if you need a precision tolerances.

General Tolerances and Precision Tolerances of Our CNC Machining Parts

Metal Materials for CNC Machining Parts

Aluminum Alloy
Lightweight and easy to machine
Good corrosion resistance
Copper/Bronze/Brass Alloy
Good thermal and electrical conductivity
Good strength and ductility
Easy to machine
Stainless Steel Alloy
High corrosion resistance
High strength and hardness
Good wear resistance
Can withstand high temperatures
Steel Alloy
High strength and toughness
Good machinability
Good fatigue resistance
Can be heat treated for increased hardness
Zinc AlloyLightweight and easy to machine
Good dimensional stability
Titanium AlloyHigh strength-to-weight ratio
Excellent corrosion resistance
Good biocompatibility (suitable for medical implants)
Can withstand high temperatures

Plastic Materials for CNC Machining Parts

HDPE (High-density polyethylene)good chemical resistance, impact resistance,low moisture absorption
UHMW (Ultra-high-molecular-weight polyethylene)excellent wear and abrasion resistance, low coefficient of friction and high impact strength
PEEK (Polyetheretherketone)excellent high-temperature resistance, chemical resistance and mechanical strength
ABS (Acrylonitrile Butadiene Styrene)good impact resistance, toughness, low cost
PP (Polypropylene)good chemical resistance, high fatigue resistance,low moisture absorption
PS (Polystyrene)good optical clarity, stiffness, low cost
PC (Polycarbonate)good impact resistance, toughness and optical clarity
PVC (Polyvinyl Chloride)good chemical resistance, flame retardancy, low cost
POM (Polyoxymethylene)good dimensional stability, low friction, high stiffness
PTFE (Polytetrafluoroethylene)excellent chemical resistance, low coefficient of friction and high-temperature resistance
Acrylic (PMMA – Polymethyl methacrylate)good optical clarity, high surface hardness
Nylon (Polyamide)good wear resistance, toughness,low coefficient of friction



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CNC Machining Overview

What is CNC Machining?

CNC machining, also known as computer numerical control machining, is a manufacturing process that uses computer-controlled machines to remove material from a workpiece to create a desired shape or product. The CNC machines follow a pre-programmed set of instructions to execute the machining process with high precision and accuracy. CNC machining is widely used in various industries for producing complex and precise parts and components.

CNC Machining Applications

6 Most Common Types of CNC Machining Services

1.Milling: In milling, a rotating cutting tool is used to remove material from a stationary workpiece. This is one of the most common types of CNC machining and is used to create a wide range of parts and components.
2.Turning: In turning, a workpiece is rotated while a cutting tool is used to remove material from it. This process is commonly used to create cylindrical parts like shafts, bolts, and screws.
3.Drilling: In drilling, a rotating cutting tool is used to create holes in a workpiece. This process is often used to create holes for fasteners, electrical wiring, or other components.
4.Grinding: In grinding, an abrasive wheel is used to remove material from a workpiece. This process is often used to create precise finishes on parts and components.
5.EDM (Electrical Discharge Machining): In EDM, a tool and a workpiece are submerged in a dielectric fluid. An electrical charge is then used to erode the workpiece and create the desired shape.
6.Laser Cutting: In laser cutting, a laser beam is used to cut or engrave materials. This process is often used to create intricate designs or precise cuts. These are the most common types of CNC machining processes. Other types include waterjet cutting, plasma cutting, and wire EDM.

9 Common CNC Machining Surface Finishes
What is CNC Machining

CNC Machining Applications

For Arospace: Such as engine components, wing parts, landing gear and avionics.
For Automotive: Such as coilover sleeves, camber plate, gears, steering knuckles, wheel spaces, crankshafts.
For Medical: Such as implants, surgical instruments and prosthetics.
For Electronics: Such as printed circuit boards (PCBs), connectors and sensors.
For Industrial: Such as gears, bearings, clevis and hydraulic components.
For Consumer Products: Such as watches, cameras and mobile phones.
For Defense: Such as weapons, tanks and military vehicles.
CNC machining is a versatile technology that can be used in almost any industry that requires high-precision parts and components. Send us your CNC Machining Project to get a quick tech and quote support.

6 Most Common Types of CNC Machining Services

9 Common CNC Machining Surface Finishes

1. Lapping:Using an abrasive materials to achieve a very high level of flatness, parallelism and surface quality on a metal surface. It is commonly used in the production of optical components, precision bearings and other high-precision parts where surface finish is critical.
2. Polishing: The use of abrasive materials to remove small amounts of material from a surface, resulting in a smooth and shiny surface finish. Polishing can be used to improve a part’s appearance, remove surface scratches or blemishes and increase a part’s resistance to corrosion and wear.
3. Plating: Plating is the process of coating a metal surface with a thin layer of another metal. This surface treatment increased corrosion resistance, wear resistance.
4. Anodizing: Anodizing is an electrochemical process that forms a protective oxide layer on a metal surface. This finishes provides corrosion resistance, improves wear resistance and have a various color choices.
5. Passivation: Passivation is used to remove contaminants on the surface of metal parts and to form a thin oxide layer on the surface of the part to prevent corrosion. Passivation is commonly used on stainless steel and other metal alloys to increase the life and durability of the part.
6. Black Coating: Commonly used in a variety of industries including automotive, aerospace and firearms to obtain an aesthetically pleasing black finish or to improve the corrosion resistance of metal parts. And black coatings can be used to reduce glare on metal surfaces, improve lubricity and increase the durability of metal parts.
7. Parkerizing: Also known as phosphate coating, which creates a porous, corrosion-resistant coating on metal surfaces. The resulting coating is a dull gray or black color and provides improved rust resistance and a good surface for oil retention. Parkerizing is commonly used on firearms, where it provides a protective coating that also enhances the appearance of the weapon. It is also used in automotive parts and machinery components that require a durable, corrosion-resistant coating.
8. Powder Coating: powder coating provides a durable, long-lasting finish that is resistant to scratches, chipping and fading. Powder coating is available in a variety of colors and finishes. Here is an important to note that the thickness of the coating must be carefully controlled to ensure the dimensions or tolerances of the machined parts.
9. Brushing is a surface finishing process that involves the use of a wire brush to create a pattern of lines on the surface of a metal part. Its main purpose is to improve the part’s aesthetics. By adjusting the direction and pressure of the wire brush, we can achieve the desired surface texture, either straight or swirly or chaotic.

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