Turnkey Solutions · SMT & DIP · X-Ray Testing
High-Quality
High-Quality
PCB Assembly
Services
One-stop PCBA solutions from component sourcing and PCB fabrication to final assembly and rigorous functional testing.
01005SizeSMT Capability
100%TestingAOI & SPI & X-Ray
✦Turnkey PCBAFull Sourcing
✦ISO 9001:2015Certified Quality
✦IPC-A-610GAssembly Standard
✦IATF 16949Automotive Grade
Service Options
Our Assembly Expertise
Scalable PCBA solutions from rapid prototyping to high-volume production
01
High-Speed SMT Assembly
Utilizing advanced Yamaha and Mycronic pick-and-place machines for ultra-precise component mounting.
- Min Component: 01005 / 0.3mm BGA
- High-density placement
- Automatic solder paste inspection
02
DIP & Manual Soldering
Skilled Through-Hole assembly and wave soldering for heavy-duty or non-SMD components.
Details →
03
Rigorous Testing
Ensuring 100% functionality with AOI, X-Ray, In-Circuit Testing (ICT), and Functional Testing (FCT).
Testing Details →
04
Full Box Build & System Integration
Going beyond the board to provide complete enclosure assembly, wire harnessing, and final packaging.
- Enclosure & Plastic assembly
- Software loading
- Custom retail packaging
Capabilities
Technical Specifications
Industry-leading assembly standards for your electronic projects
01005
Min Case Size
Ultra-fine pitch SMT
0.3mm
Min BGA Pitch
Laser-aligned placement
610mm
Max Board Size
Large format assembly
Lead-Free
RoHS Process
Environmentally friendly
IPC-III
Assembly Class
Highest reliability grade
Turnkey
Supply Chain
Full component sourcing
Service Choice
Assembly Modes
Flexible ways to work with us based on your material supply
| Comparison | Consigned | Partial Turnkey | Full Turnkey |
|---|---|---|---|
| Component Sourcing | By Customer | Shared Responsibility | By Topfast |
| PCB Fabrication | By Customer | By Topfast | By Topfast |
| Management Effort | High (Customer) | Medium | Low (Worry-Free) |
| Best For | Specific Proprietary ICs | Mixed inventory | Speed & Efficiency |
Workflow
Assembly Process
How we ensure quality at every stage of the PCBA production line
01
DFM & Sourcing
Incoming component inspection and Design for Manufacturing review to prevent assembly bottlenecks.
02
SMT Placement
Solder paste printing followed by high-speed component mounting and reflow soldering in nitrogen ovens.
03
AOI & X-Ray
Automated Optical Inspection for every board; X-Ray for BGAs to ensure perfect internal solder joints.
04
FCT & Shipping
Functional testing based on customer requirements, followed by anti-static vacuum packaging.
Portfolio
PCBA Showcase
Diverse assembly projects for medical, industrial, and consumer electronics
FAQ
How to order PCB components？
We have accumulated a large number of reliable and competitive parts suppliers worldwide to ensure the quality and cost of your parts purchases. Our pricing structure is transparent with no hidden fees. Our prices are among the most competitive in the world. All of your orders are subject to a free engineering document review service by our highly trained and specialized technicians before you pay in the most timely manner.
How to find PCB Assembly companies？
Define their own needs, multi-channel screening suppliers, assess the supplier's strength, compare prices and services, site visits and sample testing.Topfast executives and technicians are engaged in the PCB industry for more than 20 years of senior people, with a wealth of experience in production management and professional PCB skills. Topfast specializes in rapid prototyping and low volume manufacturing. All of our products are IPC rated and certified by UL, ROHS and ISO9001.
How long is the delivery time?
The fastest delivery time we can support is 12 hours. 1 hour for prompt quotation. 4 hours for prompt engineering. This depends on your product requirements and quantity. In addition, lead time will be included in your quote.
What about shipping costs?
For small packages, we recommend using an express courier (such as DHL, UPS, FedEx, and EMS door-to-door service!) This is the fastest but also the most expensive way. For large parcels, ocean freight is the best solution. We can only give you accurate shipping costs if we know the details of the quantity, weight and shipping method.
How to quote PCB Assembly?
Our pricing structure is transparent with no hidden fees. Our prices are among the most competitive in the world. All of your orders are subject to a free engineering document review service by our highly trained and specialized technicians before you pay in the most timely manner.
How to place an order for PCB Assembly?
Online: Get a free quote on our website. Email: op@topfastpcb.com Send an email with the following information: name, company, address, phone number, email address, product number, quantity, product time, and any other information you would like to share with us. Attach your gerber file. Phone: If you have any questions, please feel free to call us at +86-13929576863.
What does TopFast do?
TopFast provides high quality, on-time delivery of PCBs, PCBAs and one-stop PCB manufacturing, PCB assembly services, sourcing in one global specialized supplier.
What certifications do PCB factories have?
All of our products are IPC rated with ISO 14001; ISO 9001; CE; ROHS certificates, etc. Our products are widely used in communication, medical equipment, industrial control, power supply, consumer electronics and aerospace, automotive industry and other fields.
Knowledge
Assembly Insights
Design guides and industry trends in PCBA technology
Accelerate Your Time-to-Market
From component procurement to final assembly, Topfast provides a seamless turnkey PCBA experience. Upload your Gerber and BOM files today.