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PCB Assembly

Faster & Professional
PCB Assembly

Topfast makes PCB High-Tech Possible, Know more about our PCB ASSEMBLY Set up and Tracking Services!


Browse Our PCBs

  • PCBA for Medical Instrument

    Product Size: 27*31 mm

    Board Thickness: 0.79mm

    Device Size: 0201

    Mounting Process: Double-sided Mounting

    Difficulty of Crafting: Shape (circular gold pillars, lined up horizontally and vertically), requirements (no falling off, no bending), quantity (394)

    Application: Medical Instrument

  • PCBA for Gym Equipment

    Product Size: 280mm*513mm

    Board Thickness: 1.6mm

    Device Types: 67

    Mounting Process: Double-sides mounting

    Process Difficulty: Width of the board is over size

    Led Chips: 448 pcs

    Application: Gym Equipment, Exercise Equipment

  • PCBA for Industry Control

    Product Size: 200*149

    Board Thickness: 1.7mm

    Device Size: Regular

    Mounting Process: Single side mounting

    Process Difficulty: BGA pin spacing is small, high requirements for steel mesh process

  • PCBA for Industry Control

    Product Size: 130*196mm

    Board Thickness: 1.6mm

    Device Size: Regular

    Mounting Process: Double-sided mounting

    Process Difficulty: LED tubes and switches are high

    Application: Industry control


Our service

PCB Assembly One-Stop Solutions

PCB Prototype & Manufacturing

We use high-quality materials and equipment, and we follow strict quality control procedures. We are committed to providing our customers with the best possible PCBs at the most competitive prices.


TOPFAST's Assembly Capabilities for PCBs

  • Advantage
  • Professional Surface-mounting and Through-hole soldering technology Various sizes like 1206,0805,0603 components SMT technology ICT(In Circuit Test),FCT(Functional Circuit Test) PCB Assembly With UL,CE,FCC,Rohs Approval Nitrogen gas reflow soldering technology for SMT High Standard SMT&Solder Assembly Line High density interconnected board placement technology capacity
  • Component
  • Passive Down to 0201 sizeBGA and VFBGALeadless Chip Carriers/CSPDouble-sided SMT AssemblyFine Pitch to 0.8milsBGA Repair and ReballPart Removal and Replacement
  • Quantity
  • Prototype & Low Volume PCB Assembly from 1 Board to 250, or up to 1000 and customized
  • Assembly Type
  • SMT, Thru-hole
  • Solder Type
  • Water Soluble Solder Paste, Leaded and Lead-Free
  • Bare Board Size
  • Smallest:0.25*0.25 inchesLargest:20*20 inches
  • File Format
  • Gerber files, Pick-N-Place file, Bill of Materials
  • Service Type
  • Turn-key,partial turn-key or consignment
  • Component Packaging
  • Cut Tape,Tube,Reels,Loose Parts
  • Turn Time
  • Same day service to 15 days service
  • Testing
  • Flying Probe Test,X-ray Inspection AOI Test
  • PCB Assembly Process
  • Drilling--Exposure--Plating--Etaching & Stripping--Punching--ElectricalTesting--SMT--Wave Soldering--Assembling--ICT--Function Testing--Temperature & Humidity Testing
Topfast Capabilities

PCB One-Stop Solution Service Step by Step

PCB manufacture include inner/outer imaging, plating, AOI (Automated Optical Inspection), solder mask application, and surface treatment.

  • Inner/Outer lmaging

    The process of transferring the PCB design onto copper-clad laminates using photoresist and UV light.

  • Plating

    The process of adding a thin layer of copper to the board, which is then etched to form the conductive pathways.

  • AOI (Automated Optical Inspection)

    The use of machine vision systems to detect defects or errors in the board after the manufacturing process.

  • Solder Mask

    A layer of polymer applied to the board to protect the copper traces from oxidation and prevent solder bridges during assembly.

  • Surface treatment

    The process of applying a layer of metal to the exposed copper traces to improve their conductivity and protect them from oxidation.


What Our Customers Say

Our partners are all customers with long-term needs for PCB customization, with high satisfaction

  • Impressed with Their Quality of Work

    I have used Topfast PCB for several PCB assembly projects and I have been consistently impressed with their quality of work and attention to detail. Their team is knowledgeable, responsive, and always willing to go the extra mile to ensure that our project is completed on time and within budget. I have recommended Topfast PCB to several colleagues and they have all been equally impressed with their services. I highly recommend Topfast PCB for any PCB assembly needs.


    Quality Control Engineer
  • Highly Skilled and Experienced

    Their team is highly skilled and experienced, and they always take the time to understand my unique requirements and specifications. I appreciate that they use only the highest quality components and materials, and their attention to detail is second to none. Their pricing is also very competitive, and they always deliver my orders on time. I highly recommend Topfast for anyone looking for reliable, high-quality PCB assembly services.


    Product Manager
  • Very Responsive

    I recently had my PCB assembly done by Topfast and I must say that I am extremely satisfied with their work. The quality of the assembly was top-notch and all the components were placed accurately. The team at Topfast was very responsive and kept me updated on the progress of my order. They also provided valuable recommendations on PCB design and component selection, which helped improve the performance of my product.


    Product Development Manager
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