The TOPS Machining team has more than 10 years of overseas customer service experience, and the people working with you are extremely professional. All walks of life are involved in the field of service, aerospace, automation equipment, medical equipment, communication equipment, high precision products, products also include: aviation seats, Baling machine, Intercom housing, Drones and so on. We believe we can serve you well.
High-Precision CNC Machining Service
Fast Turnaround & Custom Manufacturing
At Tops Precision, we provide high-precision CNC machining solutions for global industries, including automotive, aerospace, electronics, and industrial equipment. Whether you need rapid prototyping or mass production, we deliver consistent quality, tight tolerances, and fast lead times.
✅ Tolerance as tight as ±0.01 mm
✅ 1–3 days rapid prototyping
✅ 100+ metals & plastics available
✅ Global shipping & OEM/ODM support
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How to Order CNC Machining Services
👉 Our engineering team will support you at every step.
Send Your Drawing (CAD / PDF / Sample)
Submit your CAD files, technical drawings, or physical samples, and our experienced engineering team will quickly review your design for manufacturability and optimization suggestions.
Receive Quotation within 24 Hours
We provide a detailed and competitive quotation within 24 hours, including material options, machining processes, lead time, and cost breakdown for full transparency.
Sample Production & Approval
Rapid prototyping is completed within 1–3 days, allowing you to verify dimensions, tolerances, and functionality before moving to full-scale production.
Mass Production & Delivery
With advanced CNC equipment and strict quality control, we ensure consistent high-quality production and on-time global delivery for your orders.
TOPS Always Guarantee Quick Turnaround
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Our CNC Machining Capabilities
We offer a full range of custom CNC machining services to meet diverse project requirements.
CNC Milling Services
3-axis, 4-axis, and 5-axis machining
Complex geometries and tight tolerances
Ideal for housings, brackets, and enclosures
CNC Turning Services
High-speed precision turning
Suitable for cylindrical parts
Threads, shafts, and bushings
100+ Materials Available for Selection
Choose the Ideal Option by Understanding Their Unique Properties
Aluminum
Lightweight, corrosion-resistant metal known for its excellent strength-to-weight ratio and versatility in manufacturing.
Brass
Corrosion-resistant alloy of copper and zinc, excellent machinability, attractive gold-like appearance, good electrical conductivity.
Stainless Steel
Strong corrosion-resistant alloy, durability, sleek appearance, and excellent performance in demanding environments.
Steel
Versatile and durable alloy of iron and carbon, high strength, toughness, and wide range of industrial applications.
Copper
Highly conductive, excellent electrical and thermal performance, as well as its resistance to corrosion.
Cast Iron
Excellent abrasion resistance, low cost, ideal for high-load components.
Bronze
Durable copper alloy with added tin, great wear resistance, low friction, and a rich, antique appearance.
Magnesium
Exceptionally lightweight, moderately durable, combustible in ribbon or powder form.
Tool Steel
High-strength alloy, withstand high heat and wear, ideal for cutting, molding, and machining tools.
Sheet Metal
High strength-to-weight ratios. Easily formable, ideal for cutting, bending, and fabrication in various industries.
Titanium
Lightweight, high-strength metal, corrosion resistance, used in aerospace, medical, high-performance applications.
Zinc
Excellent castability, dimensional stability. Ideal for intricate shapes, corrosion resistance
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Understanding Each Material’s Unique Properties Can Greatly Improve Project Success
Delrin(POM or Acetal)
Strong, low-friction engineering plastic, excellent dimensional stability and wear resistance.
ABS(Acrylonitrile Butadiene Styrene)
Tough, impact-resistant plastic commonly used for durable consumer products and electronic housings.
Acrylic(PMMA or Polymethyl Methacrylate)
Transparent plastic, glass-like clarity, weather resistance, and ease of fabrication.
Nylon(Polyamide)
Strong, flexible plastic, excellent abrasion resistance and good chemical stability, ideal for mechanical parts.
Peek(Polyether Ether Ketone)
High-performance thermoplastic, strength, chemical resistance, and ability to withstand high temperatures.
HDPE(High-Density Polyethylene)
Strong, lightweight, and durable thermoplastic known for its excellent resistance to impact, moisture, and chemicals.
PTFE(Teflon)
Non-stick, chemical-resistant plastic, very low coefficient of friction, widely used in sealing and insulation applications.
Garolite
Excellent electrical insulation properties. Strong, lightweight, and resistant to moisture, chemicals, and wear.
PVC(Polyvinyl Chloride)
Versatile, cost-effective plastic, good chemical resistance and rigidity, commonly used in piping and construction.
Polycarbonate(PC)
Good heat resistance and is commonly used in safety equipment, lenses, and enclosures.
PEI(Ultem or Polyetherimide)
High-strength, heat-resistant plastic, excellent flame and chemical resistance, often used in aerospace, medical.
UHMWPE(Ultra-High Molecular Weight Polyethylene)
Low friction coefficient and excellent impact strength, making it ideal for high-wear applications.
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Other Materials
In addition to the above materials, we can also machining the following materials as well.
PPS,Torlon,Rubber,Mild Steel, FR4, Carbon Fiber,
Bakelite, Alloy Steel, Foam, Invar, Kovar,
If in case you want to deal with multiple materials, you can connect with us, TOPS team will assist you with different materials as well.
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Industries We Serve
With two decades of machining experience, we’ve served a wide range of industries—medical, robotics, consumer products, automotive, aerospace, defense, marine, green energy, industrial, and more. What truly sets us apart is our in-depth knowledge of each sector’s specific applications, standards, and unique needs—delivering real value to our customers.
If your desired material is not listed above, contact us and order a free quote today!
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Tolerance Ranges We Support for CNC Machining
TOPS is an expert in delivering exceptional CNC Milling Services Besides this, we also provide accurate and precisely tight milling with tolerances of 0.01 – 0.05mm. But this range varies with material type and the geometry of the part. You can consider the following chart for more information:
Tolerance Level | <<3, >0.5 | <<6, >3 (these values are in ±) | <<30, >6 (these values are in ±) | <<120, >30 (these values are in ±) | <<400, >120 (these values are in ±) | <<1000, >400 (these values are in ±) | <<2000, >1000 (these values are in ±) |
F | 0.05 | 0.05 | 0.1 | 0.15 | 0.2 | 0.3 | 0.5 |
M | 0.1 | 0.1 | 0.2 | 0.3 | 0.5 | 0.8 | 1.2 |
C | 0.2 | 0.3 | 0.5 | 0.8 | 1.2 | 2 | 3 |
V | – | 0.5 | ±1 | 1.5 | 2.5 | 4 | 6 |
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Surface Finishes Available for CNC Machined Parts
Enhance the performance and appearance of your parts with our finishing services:
Anodizing (Type II / Type III)
Electroplating (Nickel, Zinc, Chrome)
Powder Coating
Sandblasting
Polishing
These processes improve:
✔ Corrosion resistance
✔ Surface hardness
✔ Aesthetic appearance
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Why Choose Tops Precision?
We are more than just a supplier — we are your manufacturing partner.
✔ Proven Experience
10+ years in CNC machining industry
✔ Large Production Capacity
Handling both small and large orders
✔ Strict Quality Control
100% inspection before shipment
✔ Competitive Pricing
Factory-direct cost advantage
✔ Global Customers
Serving clients across multiple industries worldwide
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Explore More About Our CNC Machining Applications
Mold and Die Manufacturing
We use several techniques, i.e. plastic injection molds, high-pressure die-cast molds, two-shot molds, 2-plate molds, and 3-plate molds, just to make dies. TOPS has expertise in cutting molds in special designs and shapes. So, they can be used in several complex tooling requirements. Because they are perfectly aligned with the demands of rapid manufacturing.
Custom Prototype Development
TOPS is an expert in making custom prototypes. These can be complex automotive parts, i.e. engine components, intricate medical devices, and consumer electronics, like smartphone cases. Besides this, our precision machining guarantees that our prototypes are accurate like the final products. So, our CNC machining services serve in this process and also ensure cost-effectiveness and high efficiency.
Aerospace Components Manufacturing
We’re experts
TOPS specializes in making different aerospace parts like turbine blades, engine mounts, gear parts, aircraft structural, and many more. We are using advanced machining toolings to make both simple and complex parts, control system components, and aerofoil sections. So, each part meets the high standards of the aerospace sector. Besides this, they guarantee effective performance and safety in every application.
Automotive Parts Making
TOPS parts have found their applications in
automotive sector. This mainly includes engine blocks, transmission gears, suspension systems, and steering mechanisms. Besides this, our precision machining services make different parts, i.e. exhaust systems, brake components, and complex valve assemblies.
TOPS guarantees that each part is highly accurate and precise.
Medical Device Manufacturing
We are not limited to the aerospace and automotive sectors. TOPS also deals with the manufacturing of medical equipment, i.e. orthopedic implants, surgical instruments, and diagnostic equipment casings. TOPS is also an expert in machining complex parts, i.e. medical imaging devices, dental tools, and custom prosthetics. We make every part with care and the utmost precision. Besides this, we strictly adhere to medical standards.
Production of Consumer Products
When it comes to consumer goods, TOPS always comes first. We provide services to manufacture various goods like household appliances, sports equipment, and musical instrument pieces. Moreover, we also specialize in making personal gadgets, luxury items, toys, kitchenware, and even custom furniture fittings. Besides this, each product is produced with precision and quality and sticks to the compliances.
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A Comprehensive Overview of CNC Machining
If You're New To CNC Machining Services, Here's A Brief Introduction To Help You Get Started
How Would You Define CNC Machining?
It is a process of cutting the materials using computerized controls. Here, the engineers set the specifications of parts on the computer and the computer-controlled machine starts to cut the material accordingly.
- CNC machining is very accurate due to automation
- It is quite fast and also suitable for cutting the cross-sections.
- Highly suitable for making parts for cars, medical, or aerospace sectors.
How CNC Machining Works?
- Planning: Here, before cutting the material, we first completely analyze the design specifications.
- Set Up the Machine: It must be understood that client instructions must be fed to the machine in a way that enables it to be programmed correctly.
- Machining: The specific function of the tool is to carve and form the metal.
- Check Quality: So, we make sure that every single part of it is as perfect as one can get.
Rely on Us for Your CNC Machining Needs
You can choose us for the following reasons, such as:
- High Accuracy: Our CNC machining services are highly accurate. So, it has high demand in different industries i.e. aerospace and medical devices.
- High Speed and Versatile: TOPS guarantees CNC machining service delivery at a fast rate. Besides this, we can work on almost any complex design.
- Safety and Reliability: It also eliminates human intervention. So, it ultimately reduces the chances of completing work that may be substandard or even hazardous.
- Wide Material Compatibility: Our CNC machining has various options. Because it is versatile, takes into account the requirements of various industries, and successfully works with various types of materials.
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Frequently Asked Questions
We use multi-axis CNC mills and lathes with 3-, 4-, and 5-axis capabilities to handle a wide range of part sizes and complexities.
Yes. We offer mill-turn (CNC turning + milling) operations to reduce setups and improve precision and cost efficiency.
We accept standard CAD formats including STEP, IGES, DXF, DWG, and SolidWorks files. If needed, we can also work with 2D drawings.
Our engineers choose optimized tooling and cutting strategies based on material hardness, geometry, finish requirements, and tolerance specifications.
Yes. We have CNC equipment capable of producing small precision parts as well as larger components, depending on customer requirements.
Yes. Upon request, we can supply inspection documentation such as first article inspection (FAI) and dimensional reports.
We use in-process probing, computer-controlled tool offsets, and final verification on calibrated inspection tools to maintain accuracy.
We can accommodate single prototype parts and low-volume runs; MOQ depends on part complexity and processing requirements—please inquire for specifics.