Skip to content 
Top Proto On-Demand Manufacturing Solutions
- All uploads are secure and confidential
Get instant pricing, project lead times, and DFM feedback.
- All uploads are secure and confidential.
What is On-Demand
Service?
The service makes it easier whether you are doing one prototype or a complete run of production. Post your designs, and receive immediate feedback, cost, and delivery estimates, and get timely and precise results.
Why should you choose Top Proto for on-demand manufacturing?
Top Proto is a company that provides end to end solutions to rapid prototyping in most industries. Here’s why you should pick us:
Global Network – A huge supplier network provides efficient and cost-effective solutions.
Engineering Expertise- Our in-house specialists will give us design for manufacturability (DFM) feedback, and streamline prototypes to a practical use.
Fast Turnaround – Rapid prototyping reduces the time in development thereby greatly decreasing the time-to-market.
Quality Certifications – We comply with ISO14001:2015, and the other industry requirements, which is of the best quality and conformance.
Our CNC Precision Machining Services
Wire EDM (Electrical Discharge Machining) is the best choice where fine cuts of intricate shapes are required and it has high accuracy and a smooth finish. We are able to cut hard metals, complicated designs and geometries, and make it as precise as possible.
| Capability | Details / Specifications |
|---|---|
| Material Compatibility | Stainless Steel, Titanium, Aluminum, Tool Steel, Copper |
| Tolerance | ± 0.0001 inches (0.0025 mm) or better (based on material and thickness) |
| Maximum Workpiece | Length: 16 inches (400 mm)Width: 12 inches (300 mm)Height: 8 inches (200 mm) |
| Cutting Speed | Up to 300 mm²/min (specific to material and thickness) |
| Surface Finish | As fine as Ra 0.2 µm |
| Maximum Cutting | Up to 12 inches (300 mm) – varies based on material |
| Wire Diameter | 0.004 inches (0.1 mm) to 0.012 inches (0.3 mm) |
CNC milling is a sophisticated machining method that provides the ability to obtain the exact cut, drilling, and shaping of materials. It can be used with small batches as well as mass production runs and it is always capable of providing best tolerances and high repeatability.
| Capability | Details / Specifications |
|---|---|
| Material Compatibility | Steel, Aluminum, Stainless Steel, Titanium, Plastics |
| Tolerance | ± 0.001 inches (0.025 mm) |
| Maximum Workpiece | Length: 48 inches (1,220 mm)Width: 24 inches (610 mm)Height: 12 inches (305 mm) |
| Cutting Speed | Up to 500 mm/min (specific to material and tool) |
| Surface Finish | As fine as Ra 0.4 µm |
| Maximum Cutting | Up to 4 inches (100 mm) |
CNC Turning is a precision machining tool whereby, a rotary work piece is used to cut the material to the preferred shape. It is best used on parts that have circular characteristics, and it provides top accuracy in the machining of both straightforward and intricate profiles.
| Capability | Details / Specifications |
| Material Compatibility | Steel, Aluminum, Brass, Copper, Plastics |
| Tolerance | $\pm 0.0002$ inches ($0.005$ mm) |
| Maximum Workpiece | Length: 24 inches ($610$ mm), Diameter: 10 inches ($250$ mm) |
| Cutting Speed | Up to 2,000 rpm (depending on material and cutting tool) |
| Surface Finish | As fine as Ra $0.6$ $\mu$m |
| Maximum Cutting | Up to 2 inches ($50$ mm) |
Complex multi-directional cutting is possible in 5-Axis Machining which is ideal in complicated geometries. The technique is highly precise and minimizes setup time and is suitable for high preciseness aerospace, automobile, and medical parts.
| Capability | Details / Specifications |
| Material Compatibility | Aluminum, Titanium, Steel, Plastics, Composites |
| Tolerance | $\pm 0.0002$ inches ($0.005$ mm) |
| Maximum Workpiece | Length: 24 inches ($610$ mm), Width: 16 inches ($400$ mm), Height: 10 inches ($250$ mm) |
| Cutting Speed | Up to 1,000 mm/min (depending on material and tool) |
| Surface Finish | As fine as Ra $0.4$ $\mu$m |
| Maximum Cutting | Up to 4 inches ($100$ mm) |
Tool Molding is an effective production process for producing high accuracy molds for different industries. This service is essential in the process of making repeatable parts in high quantities and therefore, is a favourite service for use in injection molding.
| Capability | Details / Specifications |
| Material Compatibility | Aluminum, Titanium, Steel, Plastics, Composites |
| Tolerance | $\pm 0.0002$ inches ($0.005$ mm) |
| Maximum Workpiece | Length: 24 inches ($610$ mm) Width: 16 inches ($400$ mm) Height: 10 inches ($250$ mm) |
| Cutting Speed | Up to 1,000 mm/min (depending on material and tool) |
| Surface Finish | As fine as Ra $0.4$ $\mu$m |
| Maximum Cutting | Up to 4 inches ($100$ mm) |
The Right On DemadTechnique
| Feature | Description |
|---|---|
| General Tolerances | Metals: Compliant with ISO 2768-M standards.Plastics: Compliant with ISO 2768-C standards. |
| Precision Tolerances | Top Proto manufactures and inspects parts to exact specifications, including full GD&T support. Tolerances as tight as ±0.001 in. |
| Minimum Wall | 0.5MM — enabling intricate designs and lightweight structures without compromising strength. |
| Minimum End Mill | 0.5 MM — perfect for producing fine details in complex geometries. |
| Maximum Part | CNC Milling: Up to 4000 × 1500 × 600 MM CNC Turning: Up to 200 × 500 MM |
| Minimum Part | CNC Milling: As small as 5 × 5 × 5 mmCNC Turning: Down to 2 × 2 mm |
| Production Volume | Prototyping: 1–100 PCS Low Volume: 101–10,000 PCS High Volume: Above 10,001 PCS |
Industry Expertise at Top Proto
With millions of parts successfully produced, TOP PROTO Machining brings extensive expertise across a wide range of applications. We specialize in industries that demand precision and complex component manufacturing. No matter the challenge, you can rely on us for exceptional quality and proven experience.
Rapid Tooling
Rapid tooling let’s you go faster to go from an idea to functional parts. With our advanced CNC machining service, we create molds and tooling with precision needed to test designs, validate fit, and function and bring products to market faster. It’s perfect for prototypes, low volume runs, and early-stage development where outworking competitors is critical and precision matters most.
Production Tooling
For our production tooling, we prioritize long-term durability. With top grade materials and precision CNC machining, we make tooling that allows full-scale production without losing accuracy. If you need thousands of the same parts, and even with batch production, we deliver consistent, reliable tooling and stable production cycles.
Made in China, Precision You Can Rely On
Located in China, our facilities are equipped with cutting-edge technology to handle everything from rapid prototyping to full-scale production. With skilled technicians and meticulous quality control, we guarantee custom plastic and metal parts delivered with speed, precision, and no middlemen involved.
Machines, All Running at Peak Efficiency
Ultra-Fine Tolerances Starting at 0.01 mm
Fast Lead Times Starting from 24 Hours
Materials Available for Every Project
Choose Us for Flexible Pricing and Quick Delivery
At TOP PROTO, we know price and timeline go hand in hand. Our CNC machining services can work around your budget and deliver on your deadline. Get a quote instantly and select the service to meet your requirements.
- Competitive pricing with quality always remains.
- Fast lead time to complete the project quickly.
What Makes Top Proto Different from Others
Pros of Top Proto
- High Accuracy & Detail:Our milling process ensures that every component is cut to exact specifications, delivering a smooth, high-quality surface finish.
- Isotropic Mechanical Strength: Milled components are robust in every direction, making them ideal for high-volume production runs that require consistent structural integrity.
- Material Efficiency:Precision cutting paths minimize waste, and any unused material can often be repurposed or recycled efficiently.
- Complex Geometries:Advanced 3-axis and 5-axis milling eliminate the need for complex support structures, allowing for intricate designs to be manufactured directly.
How We Works – 3-Stages Workflow
We guarantee that CNC parts are delivered on time and that the process is completely transparent in the following 3 simple steps:
Upload Your Files
Instant prices with DFM feedback for many file types.
We Manufacture Your Parts
You can select from many materials and methods.
Tracking and Receiving Your Parts
View the QC documentation and inspection photographs.
Frequently asked questions
How long is the lead time of rapid prototyping?
The lead time is determined by the complexity and material and normally takes a few days to a few weeks.
Does that mean that I can make amendments to my design at the prototyping stage?
Yes, we are in favor of trial and error. Changes may be realized during the process.
Which materials do you have access to as prototyping materials?
We can also deal with plastics, metals, composites, and so on depending on the requirements of your project.
Is it possible to acquire small quantities of prototypes?
Yes, we can test low- and high-volume runs and thus small-batches are effortless.
What are the pricing arrangements of rapid prototyping?
Prices are based on the complexity of design, the choice of material used, method of production, and lead time. We offer real-time clear-cut quotes on our site.
CNC Manufacturing Resources
