IPC-A-610 Class II/III Certified Through-Hole Assembly

Reliable DIP Assembly for Robust Electronics

From precise hand soldering to automated wave soldering — our full-turnkey THT manufacturing delivers exceptional mechanical strength and long-term durability for demanding applications.

ISO 9001:2015 IATF 16949 IPC-A-610 ISO 13485 AS9100D
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Components / Day
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Solder Joint Integrity
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Industry Experience
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Global Clients

Through-Hole Expertise
for Stronger Bonds

Equipped with advanced wave soldering machines and professional assembly teams, we handle everything from power supplies to complex industrial controllers requiring high mechanical stress resistance.

THT
Technology Type
Full support for manual insertion, automated component placement, and mixed technology (SMT+DIP).
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Max Wave Width
Our automated wave soldering lines support large format PCBs with high thermal mass requirements.
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Lead Trimming
Precision automated and manual lead trimming to meet strict clearance and IPC specifications.
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Max PCB Size
Handles oversized through-hole boards up to 610×610mm, common in industrial applications.
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Manual Stations
Extensive manual assembly lines for complex components, connectors, and secondary operations.
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Visual Inspection
100% manual visual inspection supplemented by AOI for solder fillet and orientation.

8-Stage Precision
DIP Assembly Flow

Every through-hole component is meticulously inserted and soldered to ensure long-term mechanical reliability.

01
Component
Preparation
Lead Forming &
Kitting
02
Manual
Insertion
Trained Assembly
Technicians
03
Flux
Application
Spray / Foam
Fluxing
04
Wave
Soldering
Dual Wave /
Lead-free
05
Lead
Trimming
Mechanical
Cropping
06
Touch-up
& Repair
Manual Solder
Refinement
07
Cleaning
& Washing
Ultrasonic /
DI Water
08
QA
Inspection
Final Quality
Verification

Through-Hole Reliability
Verification

Our THT quality process focuses on 100% solder penetration, correct component orientation, and rigid mechanical bonding for mission-critical applications.

Dual-Wave Soldering Systems
Lead-free compliant, nitrogen inerting for perfect fillets
Automated Optical Inspection (AOI)
Optimized for DIP component height and bridge detection
X-Ray Inspection
Verifying barrel fill and internal solder voids
High-Magnification Digital Scopes
3D inspection of solder wetting and lead protrusion
Pull-Test & Shear-Test
Mechanical strength verification for heavy connectors
Functional Test (FCT)
Full electrical validation of the completed assembly
Barrel Fill Verification
Wave Solder Profile
Manual Solder Audit

Flexible Through-Hole
Manufacturing

From complex hand-soldered prototypes to automated high-volume wave soldering, we provide the scalability required.

THT
Specialists
Custom Assembly

Manual & Special
Assembly

Handling unique components that machines can't touch. Our skilled technicians manage odd-form components with precision.

Precision manual lead forming and soldering Mixed-technology expertise (SMT + DIP) Custom potting and encapsulation services Mechanical box-build integration 100% engineering-led DFM review
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High
Throughput
Volume Production

Automated Wave
Soldering

Consistent, high-quality results for large batches using state-of-the-art wave soldering lines and automated testing.

Dual-wave lead-free soldering lines Automated component insertion (AI) In-line aqueous cleaning systems Full material traceability (ERP) Global logistics and supply chain management
Discuss Volume Requirements
FAQ

Common Questions

Have more questions about Through-Hole technology? Our engineers are ready to help.

We specialize in complex mixed-technology boards. Our process typically involves SMT reflow first, followed by manual or wave soldering for DIP components using specialized pallets to protect SMT parts.
Yes, we maintain separate, dedicated wave soldering lines and manual stations for RoHS-compliant and SnPb (leaded) processes to prevent cross-contamination.
DIP is preferred for high-strength, high-power, and industrial applications.
Yes, we provide full mixed assembly solutions in one production process.
We use wave soldering and manual soldering depending on component requirements.
Yes, through-hole connections provide stronger mechanical bonding.
Yes, DIP is ideal for high-current and power electronics applications.
Yes, we provide turnkey DIP assembly including sourcing.
Your Manufacturing Partner

18 Years of Precision.
Zero Compromises.

From our ISO 9001-certified facility, we deliver full-turnkey DIP assembly with military-grade inspection, global component sourcing, and a track record of on-time delivery that spans five continents and 500+ clients — because your product's reputation depends on the quality inside it.

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Years in Business
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Global Clients
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On-Time Delivery
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Certifications Held