Quick Quote
Consolidate Your Supply Chain

Turnkey Contract Manufacturing

Stop managing dozens of disparate suppliers. 3Q Machining integrates precision CNC capabilities with Injection Molding, Sheet Metal, Casting, and 3D Printing for one-stop assembly.

Complex hardware projects rarely rely on a single process. By acting as your central manufacturing hub, we eliminate communication bottlenecks, reduce shipping overhead, and guarantee that mating parts fit together flawlessly. Whether you need CNC brass inserts molded into custom plastic housings, or precision-milled flanges on welded sheet metal enclosures, we manage the entire ecosystem under one ISO 9001-certified roof.

Turnkey manufacturing integrating CNC machining, injection molding, and assembly
The Cost of Fragmented Supply Chains

Why Consolidate Your Manufacturing?

Managing a CNC shop, a sheet metal fabricator, an injection molder, and a surface finishing facility separately leads to compounding errors, shipping delays, and finger-pointing. Here is how 3Q Machining solves the integration nightmare.

✗

Managing Multiple Vendors

  • Tolerance Stack-up: The CNC metal frame and the plastic injected housing are made in different cities. When assembled, they don't fit. Who pays for the rework?
  • Logistics Nightmare: Paying 4 different international shipping fees and dealing with 4 different customs clearances.
  • IP Vulnerability: You must send your proprietary 3D CAD files to multiple unvetted facilities, increasing the risk of intellectual property theft.
The 3Q Solution
✓

3Q Turnkey Manufacturing

  • Single Point of Accountability: We mold the plastic, we machine the metal inserts, and we assemble them in-house. If it doesn't fit flawlessly, it doesn't ship. We take 100% responsibility.
  • Streamlined Economics: One purchase order, one dedicated project engineer, and one consolidated shipping invoice.
  • Strict NDA Protection: Your IP stays within our ISO-certified ecosystem. No unauthorized subcontractors.

Integrated Production Solutions

We combine primary forming processes with secondary CNC precision to deliver complete, assembly-ready components.

Custom plastic injection molding and overmolding with precision CNC inserts

Plastic Injection Molding

Custom silicone & plastic injection molding. The Hybrid Edge: We machine custom brass/steel inserts in-house for seamless insert molding and overmolding applications.

Explore Molding →
Precision sheet metal fabrication with secondary 5-axis CNC finishing

Sheet Metal Fabrication

Laser cutting, bending, and welding. The Hybrid Edge: We use 5-axis CNC mills to flatten welded flanges and interpolate holes to ±0.01mm tolerances.

Explore Fabrication →
Investment casting of complex metal parts with secondary CNC milling

Investment Casting

Lost-wax casting for complex geometries. The Hybrid Edge: We cast near-net shapes to save material costs, then CNC machine critical mating surfaces and threads.

Explore Casting →
Aluminum extrusion profiles with precision CNC cut-to-length and milling

Aluminum Extrusion & CNC

Custom linear profiles and frames. The Hybrid Edge: We extrude long-length profiles to minimize waste, then CNC mill precision mounting holes and interlocking slots.

Explore Extrusion →
Industrial 3D printing and rapid prototyping for functional testing

3D Printing (Additive)

SLA, SLS, and DMLS metal printing. The Hybrid Edge: Rapidly validate your CAD models in plastic before committing to expensive production CNC tooling.

Explore 3D Printing →
Precision CNC woodworking and hybrid wood-metal assembly

CNC Woodworking

Precision routing for hardwoods. The Hybrid Edge: Seamlessly combine exotic wood components with CNC machined metal for luxury assemblies.

Explore Woodworking →

From Concept to Mass Production

Bridging the "Valley of Death" in hardware manufacturing. We scale our manufacturing processes dynamically as your product moves from initial validation to global distribution.

PHASE 1

Rapid Prototyping

Validating Form, Fit, and Function (1 - 50 units).

Technologies Used:
PHASE 2

Bridge Production

Pilot runs for beta testing and certification (50 - 2,000 units).

Technologies Used:
PHASE 3

Mass Manufacturing

Economies of scale for global rollout (10,000+ units).

Technologies Used:
FINAL STAGE

Turnkey Assembly

We assemble, test, and package the final product.

Services Included:
  • Hardware Insertion (PEM/Inserts)
  • Electro-Mechanical Box-Builds
  • Custom Retail Packaging

Turnkey & Hybrid Manufacturing FAQ

Understanding the synergy between subtractive CNC machining and primary forming processes (molding/casting) is key to optimizing your OEM project costs.

What is turnkey contract manufacturing?

+
Turnkey manufacturing means a single supplier handles all aspects of production. Instead of managing multiple factories, a provider like 3Q Machining manages the entire Bill of Materials (BOM)—including CNC machining, injection molding, investment casting, extrusion, and final assembly—delivering a final, ready-to-use product directly to your warehouse.

Why combine CNC machining with casting or molding?

+
This is known as Hybrid Manufacturing. Casting, molding, or extrusion provides the "near-net shape" of a part, which drastically saves raw material costs and reduces machining time. CNC mills are then used to finish only the critical features—such as high-tolerance sealing surfaces, deep pockets, or precise internal threads—combining the low unit cost of forming with the high precision of machining.

What are the benefits of vendor consolidation?

+
Using a single integrated partner like 3Q Machining reduces logistical delays, slashes international shipping costs, and prevents technical "finger-pointing" between different factories if assembly issues arise. You benefit from one purchase order, one point of contact, and guaranteed ISO 9001 quality standards applied consistently across every component in your assembly.

How do you protect my Intellectual Property (IP) and CAD designs?

+
We take IP protection extremely seriously. We sign strict Non-Disclosure Agreements (NDAs) before you even share a CAD file. Because we are a true turnkey manufacturer, your designs stay securely within our own ISO-certified facility. We do not farm out your sensitive technical drawings to unvetted third-party subcontractors.

Do you offer Box-Build and Electro-Mechanical Assembly?

+
Yes. Beyond manufacturing the raw enclosures and brackets, our assembly lines can integrate your PCBAs, wiring harnesses, LCD screens, and fastening hardware into a final "Box-Build." We can even source standard electronic components on your behalf and pack the finished goods into custom retail packaging, ready for direct global fulfillment.

Have a complex assembly requirement? Our engineers are ready for a DFM review.

Discuss Your Turnkey Project

The Pillars of Total Manufacturing

A successful turnkey project relies on the perfect alignment of process, material, and technology. Explore our core technical silos to see how we deliver precision from prototype to final assembly.

TURNKEY
Mose Li - Technical Founder & Turnkey Project Director at 3Q Machining
✓ Project Lead

Mose Li

Technical Founder

With over **20 years of precision manufacturing leadership**, Mose Li specializes in **Supply Chain Integration** and **Hybrid Production Strategies**. He personally directs 3Q Machining's turnkey division, architecting project workflows that consolidate CNC machining, molding, and secondary finishing into a single point of accountability. Under his oversight, complex sub-assemblies are verified against strict **JIS and ISO 9001:2015** quality benchmarks, ensuring seamless integration for global aerospace, medical, and robotics innovators.

Vendor Consolidation Strategy Contract Manufacturing Lifecycle Multi-Process QC Integration BOM Cost Optimization
Scroll to Top

One-stop sourcing your rapid prototype and custom part

Precision Machining cnc machining
Request A Quote: Please attach your 3D drawing (preferably STEP and IGS format). Got multiple files? Put all your files in a folder and compress the folder into ZIP or RAR file. (File Type: doc|excel|png|jpeg|csv|pdf)
Alternatively, send through your RFQ by email. Project@3Qmachining.com