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Professional PCBA services with precision, quality, and fast delivery

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Quality Standards & Certifications

Our commitment to excellence through international quality standards

IPC-A-610

Acceptability of Electronic Assemblies

IPC-J-STD-001

Requirements for Soldered Electrical & Electronic Assemblies

ISO 9001

Quality Management System

RoHS

Restriction of Hazardous Substances

UL Recognized

Safety Standards Compliance

ISO 14001

Environmental Management

Assembly Technology Options

Choose the right assembly method for your project requirements

SMT Assembly Process

Surface Mount Technology

High-precision automated assembly for modern electronics with miniaturized components.

✓ High component density
✓ Fast production speed
✓ Cost-effective for volume
✓ Better high-frequency performance
Request SMT Quote
THT Assembly

Through-Hole Technology

Traditional assembly method offering superior mechanical strength and reliability.

✓ Excellent mechanical strength
✓ Better heat dissipation
✓ Easy repair and replacement
✓ High power handling
Request THT Quote
Mixed Technology Assembly

Mixed Technology Assembly

Combination of SMT and THT technologies for complex PCB designs.

✓ Best of both technologies
✓ Flexible design options
✓ Optimized performance
✓ Cost-effective solutions
Request Mixed Quote
Turnkey PCB Assembly

Turnkey PCB Assembly

Complete end-to-end service from component sourcing to final testing and delivery.

✓ Full component sourcing
✓ Complete quality control
✓ Single point of contact
✓ Reduced time-to-market
Request Turnkey Quote

Assembly Process Flow

Our streamlined production process ensures quality and efficiency

01
Solder Paste Printing

Solder Paste Printing

Precise application of solder paste using stencil printing technology. Automated inspection ensures consistent deposition.

02
Component Placement

Component Placement

High-speed automated placement with vision alignment. Components positioned with micron-level accuracy.

03
Reflow Soldering

Reflow Soldering

Controlled thermal process melts solder paste, creating permanent electrical connections with optimal joint quality.

04
Quality Inspection

Quality Inspection

3D AOI, X-ray, and visual inspection ensure assembly quality meets IPC standards and customer specifications.

PCBA Services

Specialized assembly solutions for various industries and applications

Through-hole PCB assembly services

Through-hole PCB assembly services

Through-hole PCB assembly technology offers high reliability and robust connection characteristics, making it widely used…

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Turnkey PCB Assembly Services

Turnkey PCB Assembly Services

This article details the core advantages of Topfast's professional turnkey PCB assembly services, including end-to-end…

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Automotive PCB Assembly

Automotive PCB Assembly

As a 17-year experienced automotive PCBA specialist, Topfast delivers high-reliability circuit solutions for global automakers.…

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Communication PCB Assembly

Communication PCB Assembly

Professional communication PCB assembly one-stop service provider specializing in high-frequency, high-performance 4G/5G circuit boards. Features…

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Industrial PCB Assembly​

Industrial PCB Assembly​

17+ years of industrial PCB assembly expertise – high-precision SMT, rigorous testing & specialized solutions…

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Aerospace PCB Assembly​

Aerospace PCB Assembly​

The special requirements of aerospace PCBAs include material selection for harsh environments, precision soldering processes,…

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PCBA For Medical Industry

PCBA For Medical Industry

Medical devices that use PCBA are typically required to meet strict regulatory standards to ensure…

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Consumer Electronics PCBA

Consumer Electronics PCBA

Flexible adjustments according to customer needs, to meet personalized needs, and rapid response to market…

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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.

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