Against the backdrop of the current manufacturing industry’s transformation towards lightweighting, high precision, and rapid response, CNC machining, as a crucial part of metal parts processing, is receiving increasing attention from industries such as engineering design, equipment manufacturing, automotive, aerospace, and marine equipment. This article will provide an in-depth analysis of the top 6 bronze CNC machining manufacturer in the United States to help you choose the right CNC machining manufacturer for your needs.

Introduction of Each Service Provider
3ERP
Main Business: Provides rapid prototyping and low-volume manufacturing services, covering CNC milling, CNC turning, 5-axis machining, and precision machining. Capable of high-precision machining of bronze, supporting one-time prototypes to 100K+ batches, with tolerances up to ±0.01mm.
Company Size: Size of US headquarters not disclosed.
Minimum Order Quantity: Supports single-piece orders.
Price: $50 – $5000/piece.
Delivery Time: 3 – 30 days.
Other Services: In addition to bronze CNC machining, also provides rapid manufacturing services such as injection mold making, injection molding, metal casting, 3D printing, and sheet metal processing. Advantages: Flexible minimum order quantities, suitable for products from proof of concept to production; capable of producing bronze parts with tight tolerances (±0.01mm); fast delivery (e.g., 3 days) is highly attractive to clients with tight project timelines.
Disadvantages: Mass production may not be as mature as traditional large-scale workshops; prices may be higher due to cost premiums from rapid manufacturing services, prototyping support, and flexible minimum order quantities.

Xometry
Main Business: Online parts machining platform, providing various manufacturing services including metal CNC (milling, turning, routing); a dedicated page for bronze CNC machining offers instant quotes.
Company Size: Headquartered in North Bethesda, Maryland, USA, with nearly 992 employees at the end of 2023.
Minimum Order Quantity: 1 – 500.
Price: No fixed price; instant quotes are available upon uploading CAD files.
Delivery Time: 3 – 30 days.
Other Services: Supports various materials (including bronze, aluminum, steel, titanium) and post-processing (surface treatment, precision inspection); production is also supported for high-volume orders. Advantages: Platform-based/networked service; users receive rapid quotes after submitting CAD drawings; fast response; free standard shipping within the US, saving on logistics costs; extensive network of large-scale production capabilities, supporting everything from prototyping to mass production.
Disadvantages: May not be focused solely on bronze; broad but not specialized material range; some machining may be outsourced, potentially limiting user control over materials and supply chain transparency.

Protolabs
Main Business: One of the world’s leading digital manufacturing platforms, providing CNC milling, turning, 3-5 axis machining, injection molding, sheet metal, and 3D printing services, supporting copper, brass, bronze, and other metals.
Company Size: Headquartered in Amsterdam, Netherlands, with over 250 partner manufacturers in more than 30 countries.
Minimum Order Quantity: Single-piece orders are supported.
Pricing: Online instant quoting system.
Lead Time: 3-15 days.
Other Services: Provides DFM analysis, surface treatment, assembly, and mass production support.
Advantages: No minimum order quantity, fast online quotes; global manufacturing network, short delivery cycle; supports various metal materials including bronze.
Disadvantages: No dedicated page for bronze; specific material requirements need confirmation; platform outsourcing model, material consistency and quality control depend on partner factories.

Dassault Systèmes
Main Business: A French-based software company providing online manufacturing platforms supporting CNC machining services (as well as 3D printing, laser cutting, sheet metal work, injection molding, etc.).
Company Size: Headquartered in Vélizy-Villacoublay, France, with approximately 25,000 employees worldwide.
Minimum Order Quantity (MOQ): The 3D EXPERIENCE Make platform indicates “no minimum order quantity,” accepting single or small orders.
Pricing: Online instant quoting.
Delivery Time: 3-15 days.
Other Services: Provides design software (such as CATIA), simulation software (such as SIMULIA), manufacturing operations software (such as DELMIA), and a digital collaboration platform.
Advantages: Flexible MOQ, platform-based, supports multiple processes and materials (including metal CNC machining); global digital manufacturing platform suitable for integrated design-manufacturing needs; online quoting, no minimum quantity required, fast response.
Disadvantages: Not a dedicated “bronze CNC machining manufacturer,” its specific capabilities for bronze are not as clearly defined as those of specialized manufacturers; the platform nature means manufacturers may be members of its network, and clients need to confirm specific bronze materials, machining processes, and batch production capabilities item by item.

Fictiv
Main Business: Digital manufacturing ecosystem platform supporting CNC machining, 3D printing, injection molding, and other services. “CNC Machining Services” explicitly includes bronze as a material option.
Company Size: Headquartered in San Francisco, USA, serving over 5000 companies.
Minimum Order Quantity: No minimum order quantity.
Pricing: Instant quotes available upon uploading CAD files; no publicly available price.
Delivery Time: Fastest delivery in 2 days.
Other Services: Supports large-part machining (up to 34 feet), various materials, post-processing, and assembly.
Advantages: Fully US-based digital platform, excellent user experience, fast response; flexible minimum order quantities, fast delivery, suitable for prototyping and small batches.
Disadvantages: While supporting bronze, the platform focuses on overall manufacturing and may be slightly inferior to dedicated bronze manufacturers in terms of bronze material optimization; prices for complex bronze parts may be higher than traditional machining plants.
Weldo Machining
Main Business: Primarily CNC milling (3/5 axis), turning, grinding, and EDM.
Company Size: Established in 2012, 5000 square meter factory, 100 employees, ISO9001:2015 certified.
Minimum Order Quantity: Minimum order quantity is 1, bulk orders supported.
Price: $1-$500 per unit, depending on processing requirements.
Delivery Time: 1-5 days.
Other Services: Injection molding, sheet metal processing, aluminum extrusion, 3D printing, DFM analysis, surface treatment, assembly, and mass production.
Advantages: Specializing in the processing of bronze, brass, aluminum, stainless steel, magnesium alloy, titanium alloy, alloy steel, and plastic materials, suitable for customers who need custom bronze prototypes and mass production. The processing service offers high cost-effectiveness and is suitable for customers with limited budgets and high quality requirements.

Comparison and Summary Table
| Machining provider | Business Overview | Company Size/Region | MOQ | Price | Delivery Time(days) |
| 3ERP | From bronze CNC prototype to mass production, tolerance ±0.01mm | Global service, available in the US | Single piece | Not disclosed | 5-20 |
| Xometry | Online platform, real-time quotes for bronze CNC machining | US domestic platform | Single piece | Not disclosed | 5-25 |
| Protolabs | CNC milling, turning, 3-5 axis machining | Factory space: 12,500㎡ | Small batch production supported | Not disclosed | 5-22 |
| Weldo Machining | Specializing in CNC 3/5-axis machining, injection molding, and 3D printing | 5000 ㎡ | From prototype to mass production | Not disclosed | 1-15 |
| Dassault Systèmes | CNC machining, 3D printing, laser cutting, sheet metal work, injection molding | Located in France with 25,000 employees | From sample to mass production | Not disclosed | 3-15 |
| Fictiv | US-based digital manufacturing platform, bronze material support | San Francisco, USA, local service | No minimum order quantity | Not disclosed | 2-15 |
If you are in the US and have a sufficient budget for bronze machining, you can choose 3ERP or Protolabs.
If you are currently only verifying prototyping assembly levels and have a limited budget, you can choose Weldo Machining.
If you need digital platform support and have a sufficient budget, you can choose Fictiv.
If you want to learn more about CNC machining services and become their local agent, you can choose Xometry.
If you are in France and need information on CNC machining and service pricing, you can contact Dassault Systemes.

Other Information on CNC Machining of Bronze
Characteristics of Bronze in CNC Machining
Bronze is a copper-based alloy, often containing elements such as tin, lead, aluminum, iron, and manganese. It has good machinability, wear resistance, and corrosion resistance.
Although bronze is generally easier to cut than some hard steels, it still requires stronger cutting tools and appropriate cutting parameters compared to soft aluminum and brass.
Bronze machining is commonly used in applications requiring wear/corrosion resistance, such as bearings, bushings, gears, marine equipment, and engine components.
What factors should be considered when choosing a bronze CNC machining manufacturer?
Material Capability: Does the provider support specific bronze alloys (such as C95400, C93200, C51000, etc.) and their certifications?
Tolerance Capability: Bronze parts used in high-precision applications (such as bearings and valve bodies) require tolerances of ±0.01 mm or tighter.
Minimum Order Quantity and Price Transparency: Does the platform support single-piece or small-quantity orders? Does it reflect the cost premium of bronze processing?
Delivery Time: Platforms offering sample delivery in as little as 3 or 2 days are invaluable for product development.
Certifications: Certifications such as ISO 9001 are particularly important for bronze parts used in aerospace and military applications.
Post-Processing Capabilities: Bronze parts often require surface treatments such as polishing, sandblasting, passivation, electroplating, and chemical coating. Does the platform offer one-stop service?
Geographic Location/Logistics: Manufacturing in the USA or using a US platform can reduce tariffs, shipping time, and communication costs.

Common Applications of CNC Machining Bronze Part:
Sliding bearings and bushings in mechanical equipment.
Corrosion-resistant connectors or external parts in marine equipment and ships.
High-wear applications such as engine components, gears, and pump bodies.
Electrical contact parts and heat exchanger components, due to bronze’s excellent thermal and electrical conductivity.
Cost and Economic Considerations for Bronze CNC Machining: Although bronze is more expensive than ordinary steel or aluminum alloys, and machining tools may wear out slightly faster, its advantages in durability, lifespan, and environmental adaptability can bring advantages in overall life cycle cost. When choosing a “bronze CNC machining manufacturer,” users need to consider: initial unit cost per part, batch size, delivery cycle, after-sales service, and supply chain risks.
FAQ of bronze cnc machining manufacturer
How can I determine if a service provider truly possesses the qualifications for “Bronze CNC Machining manufacturer”?
Primarily check if they explicitly support “Bronze CNC machining” or “bronze alloys” categories on their official website or service description; whether they have relevant experience (e.g., bronze bearing and bushing machining cases); whether they have machine and tool information, minimum tolerance capabilities (e.g., ±0.01 mm); and whether they have material certificates and quality certifications (e.g., ISO 9001, AS9100D, ITAR).
Why is bronze machining more expensive than aluminum or brass machining?
The main reasons include: bronze is often used in high-strength, high-wear-resistance, and high-corrosion environments, and its alloy composition is more complex; tool wear may be faster; machining parameters are more conservative; sometimes stricter tolerances and surface treatments are required; material costs are usually higher than aluminum, and machining speed may be slightly slower. The above information states: “Generally, bronze is more expensive than brass.”
How fast is the delivery cycle? How to evaluate it?
Some service providers support very fast delivery, such as Weldo(minimum 2 days) and 3ERP (minimum 3 days). The delivery cycle is affected by the complexity of the parts, batch size, surface treatment, acceptance requirements, and transportation method. When inquiring about prices, users should clarify: sample delivery period, batch delivery period, and whether transportation time is included.
Conclusion
This article, based on the core keyword “bronze CNC machining manufacturer,” comprehensively compares 6 leading service providers in terms of their main business, scale, minimum order quantity, delivery time, service advantages and disadvantages. It further explores the technical, selection, economic, and application perspectives of bronze CNC machining. Hopefully, this will provide valuable reference for your choice of partner. If you have specific part specifications, batch sizes, budgets, or regional preferences, please feel free to mention them, and I can help you further analyze and match the optimal service provider.