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Assembly

End-to-end mechanical assembly to streamline your production from components to fully finished products. Contact us for a complete manufacturing solution.

Assembly Facility
Advanced Assembly Equipment

What Are The Assembly Services?

Yicen Precision offers comprehensive assembly services to deliver fully finished, ready-to-use products or subassemblies. Our team handles mechanical, electromechanical, and custom part assemblies with precision and efficiency, ensuring every component fits and functions as intended. Whether for prototyping or full-scale production, our assembly capabilities streamline your supply chain, reduce lead times, and ensure consistent quality from part fabrication to final product delivery.

Tolerance Table for Assembly Services

Assembly Type Fit Type Tolerance Range (mm) Typical Application
Press Fit / Interference Fit Tight Fit ±0.005 to ±0.01 Bearings, dowel pins, structural joints
Slip Fit / Clearance Fit Loose Fit ±0.02 to ±0.05 Shafts, pulleys, components requiring movement
Alignment Assemblies Precision Fit ±0.01 to ±0.02 Optical housings, sensors, precision stages
Threaded Assembly Standard Tapped Fit Class 2B (±0.13 for M6) Fastener mating parts, mechanical assemblies
Welded/Bonded Assembly General Fabrication ±0.1 to ±0.2 Frames, panels, enclosures
Modular/Stacked Assemblies High Repeatability ±0.01 to ±0.03 Automation equipment, tooling fixtures
Mechanical Sub-assemblies Functional Fit ±0.02 to ±0.1 Gearboxes, valves, housings
Electronic/PCB Assemblies Close Fit ±0.05 to ±0.1 PCB mounting holes, component placement

Complete Assembly Services for Ready-to-Use Components

Yicen Precision offers assembly services to deliver fully integrated, ready-to-use mechanical and electronic components. Our team handles everything from simple sub-assemblies to complex multi-part systems with precision and care. We streamline production by combining machining, finishing, and assembly under one roof. Ideal for reducing lead times and ensuring quality at every stage.

Assembly Line Operations, assembly services

Materials for Assembly Services

Engineers and leading manufacturers trust Yicen Precision for fast iterations and durable, high-performance parts. Whether for prototyping or full-scale production, our extensive material selection ensures precision, strength, and reliability for any CNC machining project.

6061
7075
5052

303
304
316
17-4 PH

1018
140
4340

C110
C360

POM (Delrin)
Nylon
PTFE
PEEK

ABS
Acrylic
Polycarbonate

G10/FR4
Carbon Fiber

Silicone
Neoprene
Nitrile

Titanium
Inconel
Ceramics

Surface Finishing for Assembly Services

At Yicen Precision, our assembly services ensure your multi-component projects are expertly put together, tested, and ready for deployment.

Precision Assembly

 We handle complex assemblies with tight tolerances, guaranteeing proper fit, alignment, and function.

Custom Solutions

 Whether your project requires sub-assemblies or full product assembly, we tailor our process to meet your specifications.

Streamlined Production

 Our integrated assembly services reduce your lead time by combining manufacturing and assembly under one roof.

Quality Inspection & Testing

 Each assembly undergoes thorough inspection and functional testing to ensure reliability, accuracy, and consistent performance.

Hardware Installation

 We install fasteners, inserts, bearings, seals, and other hardware components to ensure complete, ready-to-use assemblies.

Bonding & Adhesive Application

Offers precision adhesive bonding and sealant application for assemblies requiring structural or airtight joints.

Packaging & Kitting

Completed assemblies can be packaged, labeled, and kitted according to your shipping or production needs, ready for immediate distribution.

Electromechanical Assembly

We handle assemblies that include wiring, sensors, switches, and other electrical components, ensuring proper integration and testing.

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Turn Concepts Into Precision-Engineered Parts

Yicen Precision specializes in high-precision CNC manufacturing, transforming your ideas into top-quality, functional components with speed and accuracy. Using advanced technology and expert craftsmanship, we deliver production-ready parts built to your exact specifications, no matter the complexity.
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Streamline Your Production with Yicen Precision’s Expert Assembly Services

In manufacturing, precision machining is just one part of the equation—bringing individual components together into a fully functional assembly is where true value is realized. At Yicen Precision, our assembly services provide seamless integration of parts, helping you save time, reduce errors, and speed up your product’s journey from prototype to market-ready.

Our experienced team specializes in assembling complex mechanical and electro-mechanical components with meticulous attention to detail and quality control.

Why Choose Professional Assembly Services?

Assembling precision parts requires skilled labor, the right tools, and a controlled environment to ensure perfect fit and function. Outsourcing assembly to a trusted partner like Yicen Precision offers several advantages:

  • Reduces your production lead time by consolidating machining and assembly in one place.
  • Minimizes risk of assembly errors or damage to delicate parts.
  • Ensures consistency and quality with experienced technicians.
  • Frees up your internal resources to focus on core competencies.

What Assembly Services Does Yicen Precision Offer?

  • Mechanical Assembly: From simple subassemblies to complex multi-component systems, including shafts, gears, fasteners, and housings.
  • Electro-Mechanical Assembly: Integration of sensors, wiring, and electronic components with machined parts.
  • Precision Fit and Adjustment: Fine-tuning parts to achieve exact alignment, clearance, and torque specifications.
  • Quality Inspection: Functional testing and dimensional verification to ensure assemblies meet your specifications.
  • Kitting and Packaging: Organizing components and assemblies for easy downstream use or shipping.

Industries Benefiting from Our Assembly Expertise

  • Automotive and motorsports
  • Medical devices and instruments
  • Industrial machinery and automation
  • Aerospace components
  • Consumer electronics

Our assembly services are tailored to meet the unique needs and standards of these industries.

Value-Added Benefits of Partnering with Yicen Precision

Combining our machining and assembly capabilities creates a streamlined workflow that enhances efficiency, reduces handling, and speeds up delivery. We maintain strict quality control and documentation throughout the process, so you get assemblies ready for immediate integration or distribution.

Get Started with Yicen Precision’s Assembly Services Today

Let Yicen Precision be your reliable partner for precision assembly that complements our machining expertise. Contact us now to discuss your assembly requirements and receive a customized quote.

Yicen Machining Solutions

Whether you’re creating a small batch of custom parts or scaling up for high-volume production, Yicen machining services offer the flexibility you need.
Rapid Prototyping
CNC rapid prototype machining is perfect for creating engineering or production prototypes that closely resemble the final product in both appearance and functionality. At Yicen, we offer instant quotes and fast delivery, providing you with precise, high-quality CNC machined prototypes for your needs.
Low Volume Manufacturing
Low volume CNC machining often acts as a bridge between prototyping and mass production for new and emerging production. With Yicen, this process becomes easier, more efficient, and cost-effective, allowing you to scale production quickly while maintaining high-quality standards.
End-use Production
CNC production machining is the best solution for producing a thousand parts or more efficiently. Leveraging a diverse selection of materials and automation and multi-axis capabilities, Yicen delivers high-volume production with tight tolerances, superior dimensional accuracy, high reliability and fast turnaround times.

Insights & Articles

Explore Machining services blog for expert insights on CNC machining, industry trends, manufacturing tips, and technology updates—designed to keep you informed, inspired, and ahead in precision engineering.

Frequently Asked Questions

Assembly Services

  • What types of assemblies can you handle?

    We assemble mechanical, electro-mechanical, and precision-fit components. 

  • Do you offer testing for assembled parts?

    Yes, we provide functional and dimensional testing. 

  • Can you manage both small and large batch assembly?

    Absolutely, we handle prototypes to full production volumes. 

  • How do you ensure quality during assembly?

    Through skilled technicians, inspection, and quality control protocols. 

  • Can you handle custom assembly instructions?

    Yes, we follow customer-provided assembly procedures closely. 

Get In Touch With Us!
Prompt response guaranteed within 12 hours
🔐 All uploads are secure and confidential