Electronic product development often involves multiple stages, from PCB fabrication and prototype validation to PCB assembly and volume production.
Different projects require different engineering reviews, manufacturing processes, and technical considerations. To improve project evaluation and communication efficiency, TOPFAST has launched a dedicated inquiry for various PCB manufacturing services.
Whether you need a PCB quotation, advanced PCB engineering support, flexible PCB manufacturing, or turnkey PCB assembly, there is now a dedicated submission channel designed specifically for your project requirements.

Table of Contents
Why Dedicated Inquiry Matters
Not all PCB projects are the same.
A standard multilayer PCB prototype requires different information than a rigid-flex PCB design or a turnkey PCB assembly project.
Using dedicated inquiry page allows:
- Faster engineering review
- Better project classification
- Improved communication
- More accurate quotations
- Reduced project delays
Instead of submitting every project through a generic contact form, customers can now choose the most appropriate inquiry channel based on their requirements.

PCB Quote Page
For Standard PCB Manufacturing Projects
The PCB Quote Page is designed for customers seeking pricing and manufacturing support for standard PCB fabrication projects.
Suitable for:
- Prototype PCB
- Multilayer PCB
- Production PCB
- Standard FR4 PCB
- Quick-Turn PCB
Typical information submitted includes:
- Board dimensions
- Layer count
- Material requirements
- Quantity
- Surface finish
Recommended For:
Engineers, buyers, startups, and OEM manufacturers seeking PCB fabrication services.

Advanced PCB Inquiry Page
For Complex PCB Technologies
Advanced PCB projects often require specialized engineering review before quotation and manufacturing planning.
Suitable for:
- HDI PCB
- High-Speed PCB
- High-Frequency PCB
- Heavy Copper PCB
- High Layer Count PCB
- Backplane PCB
Typical information submitted includes:
- Stackup requirements
- Material specifications
- Controlled impedance requirements
- Manufacturing constraints
Recommended For:
Telecommunications, industrial electronics, aerospace, automotive, and high-performance computing applications.

Flexible PCB Inquiry Page
For Flex PCB and Rigid-Flex PCB Projects
Flexible circuit projects often require additional engineering considerations related to materials, bend radius, coverlay, and stiffener requirements.
Suitable for:
- Single-Sided Flex PCB
- Double-Sided Flex PCB
- Multilayer Flex PCB
- Rigid-Flex PCB
Typical information submitted includes:
- Flex material requirements
- Coverlay specifications
- Stiffener details
- Bend requirements
Recommended For:
Medical devices, wearable electronics, consumer electronics, and aerospace applications.

PCB Assembly Inquiry Page
For SMT and Turnkey PCBA Projects
The PCB Assembly Inquiry Page is designed for customers requiring component assembly and turnkey manufacturing services.
Suitable for:
- SMT Assembly
- Through-Hole Assembly
- Mixed Technology Assembly
- Turnkey PCBA
- Box Build Projects
Typical information submitted includes:
- Gerber files
- BOM lists
- Pick-and-place files
- Assembly drawings
Recommended For:
OEM manufacturers, product developers, startups, and contract manufacturing projects.

Which Page Should You Choose?
| Project Type | Recommended Page |
|---|---|
| Standard PCB Fabrication | PCB Quote |
| HDI PCB | Advanced PCB Inquiry |
| High-Speed PCB | Advanced PCB Inquiry |
| High-Frequency PCB | Advanced PCB Inquiry |
| Flexible PCB | Flexible PCB Inquiry |
| Rigid-Flex PCB | Flexible PCB Inquiry |
| SMT Assembly | PCB Assembly Inquiry |
| Turnkey PCBA | PCB Assembly Inquiry |
Engineering Review and Manufacturing Support
Regardless of which page you choose, every project receives a professional review from our engineering team.
Review capabilities include:
- DFM Analysis
- Material Recommendations
- Manufacturing Assessment
- Lead Time Evaluation
- Process Optimization
For complex projects, engineers may provide additional feedback to improve manufacturability and production efficiency before quotation.

Supporting Projects from Prototype to Production
TOPFAST supports a wide range of manufacturing requirements, including:
PCB Fabrication
- 2 Layer PCB
- Multilayer PCB
- HDI PCB
- High Frequency PCB
Flexible Circuits
- Flex PCB
- Rigid-Flex PCB
PCB Assembly
- SMT Assembly
- Through-Hole Assembly
- Turnkey PCBA
Quality Assurance
- AOI Inspection
- X-Ray Inspection
- Electrical Testing
- Functional Testing

[IMAGE: Manufacturing and Quality Control Overview]
Start Your PCB Project Today
Choosing the correct inquiry page helps accelerate engineering review and improves communication throughout the manufacturing process.
Whether you need PCB fabrication, advanced PCB engineering support, flexible circuit manufacturing, or PCB assembly services, TOPFAST now provides dedicated submission channels to simplify project evaluation and quotation requests.
Select the page that best matches your project requirements and submit your information today.
Submit Your PCB Project
Get Professional Engineering Support for Your Next Project →
