SMT Assembly
Surface-mount assembly for compact and high-density boards using small components and modern electronic layouts.
- Compact PCBA layouts
- High component density
- Reflow process support
PCB Assembly Services
PCB Assembly Services for Prototypes and Batch Production
DQX supports PCB assembly projects from prototype builds to pilot runs and batch production, including SMT, THT, mixed assembly, BOM review, functional testing and delivery support.
- Prototype, pilot-run and batch production
- SMT, THT and mixed-technology assembly
- BOM review, sourcing and testing support
From design files to assembled boards
PCBA support for industrial, IoT, communication and consumer electronic products.
SMTSurface-mount assembly
THTThrough-hole support
Practical PCB Assembly
Built Around Real Production Needs, Not Just Board Soldering
PCB assembly quality depends on the details before and during production: BOM clarity, component availability, soldering method, assembly sequence, testing requirements and packaging expectations.
DQX focuses on practical manufacturing support, helping customers move from design files to assembled PCBA with clearer review, controlled process steps and responsive communication.
PrototypeEarly validation builds
Pilot RunPre-batch production check
BatchStable production support
What DQX helps control
- Assembly method selection for SMT, THT and mixed boards
- BOM questions, material risks and component alternatives
- Testing, final inspection and packing before delivery
Capabilities
PCB Assembly Capabilities That Support Real Projects
From component placement to final checks, DQX supports the practical manufacturing steps required by different PCBA designs.
THT / DIP Assembly
Through-hole assembly support for boards requiring stronger mechanical connection or power-related components.
- Connectors and terminals
- Power components
- Durable board applications
Mixed Technology Assembly
Combined SMT and THT process planning for boards using multiple component types and assembly steps.
- SMT + THT workflow
- Assembly sequence planning
- Process coordination
BOM Review
Review support for part numbers, quantities, references, material questions and missing production information.
- Part number checks
- Reference designators
- Material risk review
Component Sourcing
Procurement coordination based on the approved BOM, project quantity and customer manufacturing requirements.
- BOM-based sourcing
- Substitution discussion
- Availability coordination
Functional Testing Support
Testing support can be arranged based on customer-provided procedures, fixtures or acceptance standards.
- Customer-defined tests
- Basic function checks
- Final confirmation support
Applications
Supported PCB Assembly Project Types
PCB assembly requirements vary by product type, component density, testing method and operating environment.
Industrial Control Boards
Control modules and automation-related electronic assemblies.
IoT Device Boards
Compact PCBA for connected devices and sensor products.
Communication Modules
Electronic modules for connected and communication systems.
Power Management Boards
Mixed assembly support for power-related electronic modules.
Consumer Electronics
PCBA support for smart, compact and portable products.
Smart Home Control Boards
Assembly support for connected home control products.
Process
PCB Assembly Process
A clear process helps reduce communication cost and keeps your PCBA project moving from quotation to delivery.
Send Files
Share Gerber files, BOM, quantity, testing requirements and project notes.
Engineering Review
DQX reviews BOM data, assembly information and potential production questions.
Quotation & Planning
Production scope, materials and lead time are confirmed before assembly starts.
Component Sourcing
Materials are coordinated based on the approved BOM and customer requirements.
PCB Assembly
SMT, THT or mixed assembly is arranged according to the board design.
Testing & Delivery
Inspection, testing support, final QC and packaging are completed before shipment.
Quality Control
Quality Control for PCB Assembly
Quality control is not a single final check. DQX focuses on material review, assembly process control, soldering quality, testing support and packaging confirmation before delivery.
View Quality Control01Incoming Material Review
Component information, quantities and project materials are checked before assembly planning.
02Assembly Process Control
SMT, THT and mixed assembly steps are coordinated based on board design and component types.
03Soldering & Visual Inspection
Solder joints, polarity, placement, board appearance and assembly details are reviewed during production.
04Testing & Final QC
Functional testing support, final confirmation and secure packaging are arranged before shipment.
Production Readiness
Before Assembly, We Help Clarify the Practical Details
Instead of only asking for files, DQX helps identify the manufacturing details that can affect cost, lead time, assembly risk and delivery quality.
Discuss Your Project DetailsBOM CompletenessPart numbers, quantities, references and unavailable components.
Assembly NotesPolarity marks, special components, connectors and manual steps.
Testing ScopeBasic verification, functional test needs, fixture notes or acceptance criteria.
Production QuantityPrototype, pilot-run and batch production requirements.
Delivery ExpectationsLead time, packaging method and shipment coordination.
Risk QuestionsMaterial substitutions, long-lead components and design-side uncertainties.
Related Services
Related PCBA Manufacturing Services
Explore connected services that are commonly required with PCB assembly projects.
FAQ
PCB Assembly FAQ
Common questions about quotation files, production scope, component sourcing and testing support.
View Full FAQWhat files do I need for a PCB assembly quotation?
Gerber files, BOM, quantity, assembly drawings and testing requirements are recommended. Pick and place files are helpful for SMT assembly projects.
Do you support both prototypes and batch production?
Yes. DQX supports prototype builds, pilot runs and batch production depending on your project stage and production requirements.
Can DQX help with component sourcing?
Yes. Component sourcing support can be arranged based on the approved BOM, availability and customer requirements.
Do you support SMT and through-hole assembly?
Yes. DQX supports SMT assembly, THT / DIP assembly and mixed-technology PCBA projects.
Can functional testing be arranged before delivery?
Functional testing support can be arranged when customers provide testing requirements, procedures, fixtures or acceptance standards.
Need More Context?
Compare PCB Assembly with Other PCBA Services
If you are not sure whether you need standard PCB assembly, SMT-only support, testing support or turnkey PCBA, start from the service overview or contact DQX for project guidance.