Since its establishment in 1999, the printed circuit board assembly (PCBA) manufacturer PCBONLINE has grown into a leading PCB original equipment manufacturing (OEM) provider. We specialize in advanced PCB fabrication, PCB assembly, box-build assembly, and value-added services.
With two advanced PCB manufacturing bases in Jiangxi and Jiangsu Provinces, a turnkey PCB assembly factory in Shenzhen of Guangdong Province, PCBONLINE serves global clients across industries such as automotive, aerospace, telecommunications, medical, industrial, and consumer electronics. Take a look at PCBONLINE's OEM PCBA factory in Shenzhen below.
PCBONLINE's OEM PCBA manufacturing factory features efficiency, high precision, reliability, and cost-effectiveness for PCBA prototypes, small-batch, and mass production. Our ISO 9001:2015, IATF 16949, RoHS, REACH, UL, and IPC-A-610 Class 2/3 certified processes guarantee that every OEM PCB assembly meets the industry standards.
Production Lines and Equipment at PCBONLINE's OEM PCBA Factory
When visiting any electronics supplier's factory to investigate their PCB assembly service capabilities, the most important thing is to see their production lines and equipment! At PCBONLINE's OEM PCB assembly factory, there are:
- 4 surface-mount (SMT) assembly lines,
- 4 through-hole (THT or DIP) assembly lines,
- 2 post-assembly lines,
- A first-article inspection (FAI) machine,
- A router-type PCB depaneling machine,
- A smart solder paste cabinet,
- An X-ray inspection machine after SMT assembly of hidden-joint components such as BGA,
- 2 IPQC workstations for fixing the not-good (NG) boards,
- An X-ray machine for checking components before we put them into storage,
- A component warehouse,
- A shipping preparation warehouse,
- A fixture storage warehouse,
- A temperature- and humidity-controlled cabinet for storage of high-value components.
Among them, each of our SMT assembly lines includes a solder paste printing machine, a 3D solder paste inspection machine, two YAMAHA YSM20R high-speed pick-and-place (PNP) machines, one YAMAHA YSM10 PNP machine, two 3D automated optical inspection (AOI) machines, and a 10-temperature-zone reflow-soldering oven.
Each of our THT or DIP lines includes multiple workstations for inserting THT component leads through the PCB holes, a wave-soldering oven, an automated guided vehicle (AGV), a lead trimming workstation, a touch-up workstation, a PCBA debug workstation, and a visual check workstation.
On our two post-assembly lines, there are two hand soldering workstations for PCBAs that still require hand soldering after SMT and THT assembly. A post-assembly line also includes the PCBA functional test workstation, a workstation for IC programming and burn-in test for prototypes and small batch production. For conformal coating and mass production for programming and a burn-in test, we deliver them for our specialized factory partners to complete under our on-site supervision.
After the PCB assembly, value-added, and tests, our router-type PCB depaneling machine will depanelize the PCBA panels into single PCBAs.
Then, at our OEM PCBA factory, we install the enclosures onto the PCBA for box-build assembly.
Why Choose PCBONLINE for OEM PCBA Manufacturing?
PCBONLINE provides complete OEM PCB assembly services. We have advantages in advanced capabilities, professional one-on-one engineering support, rich experience in reflow and wave soldering temperature control and fixture design, quality control, and cost-effectiveness. We are ready to hear from you at email info@pcbonline.com!
Advanced PCBA Manufacturing Capabilities
PCBONLINE's turnkey PCB assembly factory is equipped with advanced SMT and THT assembly lines to provide high-precision PCB assembly efficiently.
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Features
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PCBONLINE's PCBA capabilities
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PCB assembly standard
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IPC-A-610 Class 2/3
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PCB assembly quantity
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5 to 1,000,000
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Finest SMD footprint
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01005
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Finest assembly pitch
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0.05mm
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Max. panel size
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1200mm * 370mm
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Min. panel size
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50mm * 50mm
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Max. rectangular SMD size
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50mm * 150mm
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Max. square SMD size
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74mm * 74mm
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Max. SMD height
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25mm
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We have no size limit on the through-hole component sizes.
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3D SPI – Ensures precise solder paste application
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Two high-speed PNP machines supporting 280 smaller-footprint SMDs, one functional PNP machine supporting 96 larger-footprint SMDs
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Dual 3D AOI system prior to and after reflow soldering - Ensures no surface soldering defects
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X-ray inspection - Ensures no hidden-joint component soldering defects
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Wave soldering & selective soldering – Efficient and high-quality THT assembly for both prototype and mass production
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Conformal coating – Enhances durability in harsh environments
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IC programming - We transfer your program into the bare IC without your intellectual property risks
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Box-build assembly - We provide the enclosures and assemble the PCBAs to be finished devices.
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After box-build assembly, we conduct the application simulation test, label and package the finished devices, and ship them to you.
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One-Stop OEM PCBA Solutions
PCBONLINE provides full turnkey PCBA services, including:
- PCB fabrication (1-64 layers, HDI, flex, rigid-flex, high-frequency, ceramic, metal-core PCBs)
- Component sourcing (global supply chain, cost-effective procurement)
- PCB assembly (SMT, PTH, mixed technology)
- PCBA testing (AOI, X-ray, functional test, burn-in test)
- Box-build assembly (final product integration, wiring, enclosures)
- Engineering support (we reduce your fabrication via PCB optimization and help reduce all technical and non-technical issues)
Quality Assurance & Certifications
PCBONLINE adheres to strict quality control protocols:
- ISO 9001:2015, ISO 14001:2015, IATF 16949 (automotive standard)
- IPC-A-610 Class 2/3 (high-reliability standards)
- RoHS, REACH, UL compliance
- 100% traceability (materials, processes, testing data)
Fast-Turn Prototyping & Mass Production
Whether you need OEM PCBA prototypes or mass production, PCBONLINE satisfies your demands without quality sacrifice.
- Prototype PCBA in 24 hours (expedited service).
- Small-batch & mass production with seamless scalability.
- Free PCBA samples and PCBA function test refunded for orders above $5,000.
PCBA Manufacturing Process at Our OEM PCB Assembly Factory
PCBONLINE's OEM PCB assembly factory follows a strict, traceable PCBA manufacturing process to ensure zero defects.
Step 1: Design & file validation
Engineers review Gerber files, BOM (Bill of Materials), and assembly drawings for manufacturability.
Step 2: PCB fabrication & stencil preparation
Fast-turn PCB prototyping (as quick as 8 hours).
Laser-cut SMT stencils for precise solder paste application.
Step 3: Solder paste printing & SPI inspection
Solder paste is applied using stencil printing, followed by 3D SPI inspection to verify thickness and coverage.
Step 4: High-speed & precision component placement
Automated SMT machines place 0201, 0402, 0603, QFN, BGA, and fine-pitch ICs with micron-level accuracy.
Step 5: Reflow soldering & AOI inspection
Multi-zone reflow ovens ensure optimal soldering.
AOI machines scan for solder bridges, missing components, and misalignments.
Step 6: Through-hole assembly (PTH) & wave soldering
Manual insertion of PTH components, followed by wave soldering for strong mechanical bonds.
Step 7: Functional testing & conformal coating
In-circuit testing (ICT), flying probe tests, and functional testing (FCT) validate performance.
Conformal coating (urethane/polyurethane) protects against moisture, dust, and vibration.
Step 8: Final inspection & packaging
100% visual inspection before shipment.
Anti-static packaging for safe delivery.
Why Choose PCBONLINE for OEM PCB Assembly?
With 26 years of expertise, advanced manufacturing facilities, and strict quality control, PCBONLINE is the ideal OEM PCBA manufacturing factory for high-reliability electronic products.
Whether you need quick-turn prototypes, high-volume production, or complete box-build assembly, PCBONLINE delivers cost-effective, high-quality solutions with one-on-one engineering support.
Provides one-on-one free and professional DFM for PCB, PCBA, and box builds before and during prototyping/sampling, to ensure the manufacturability and project success.
The professionals at PCBONLINE design the PCBA fixtures and manufacturing molds that accurately fit the PCBA manufacturing and test processes.
Complete equipment and capabilities for PCB assembly services, including PCB manufacturing, PCB assembly, and post-assembly, such as functional test, IC programming, burn-in test, and application test.
PCBONLINE manufactures, assembles, and tests from PCBs and PCBAs to box builds as a source factory manufacturer under one roof, from prototypes to bulky production, saving costs and time for you.
High-quality PCBA manufacturing certified with ISO 9001:2015, ISO 14001:2015, IATF 16949:2016, RoHS, REACH, UL, and IPC-A-610 Class 2/3.
PCBONLINE can design the test points for your PCB and offer improvement suggestions for your design if there needs any optimization.
PCBONLINE provides comprehensive PCBA value-added services such as PCBA functional testing, conformal coating, IC programming, burn-in, enclosures, box-build assembly, application test, labelling, packaging, and shipping.
PCBONLINE's OEM PCBA manufacturing supports:
- Aerospace & defense (avionics, radar Systems)
- Medical devices (diagnostic equipment, wearables)
- Communications (5G, RF modules, base stations, servers)
- Industrial electronics (robotics, industrial controls, high-power switches)
- Consumer electronics (smart home, IoT devices)
Whether you need prototype assembly, low-volume runs, or high-volume box build production, we have the equipment, experience, and capabilities to deliver superior results. To get a quote for OEM PCB assembly services, email us at info@pcbonline.com.
Conclusion
PCBONLINE is always here to meet your OEM PCBA manufacturing inquiries with professionalism and considerate services. To ensure the success of your OEM PCBA and box-build assembly projects, partner with the turnkey PCBA manufacturer PCBONLINE.
PCB assembly at PCBONLINE.pdf
