THT Assembly Services | One-Stop PCBA Factory
ISO 14001 ISO 45001 ISO 13485 IATF 16949 ISO 9001 UL
Help Center
Get Instant Quote

THT Assembly Services | One-Stop PCBA Factory

Through-hole assembly with wave soldering, selective soldering and hand soldering for connectors and high-reliability boards. Instant quote online.

Get Instant Quote Contact Sales

Assembly Services

Start Your Quote

Upload your BOM & Gerber files — our engineers reply with pricing within 24 hours.

Get Instant Quote

Through-Hole Technology (THT) remains essential for connectors, power devices and high-reliability boards:

  • Dual-wave lead-free soldering machines
  • Selective soldering for mixed SMT/THT panels
  • Auto insert + manual insert hybrid lines
  • ICT / functional testing on request

Ideal for industrial controls, power supplies and automotive boards.

PCB Assembly Capabilities

ItemSpecificationNotes
Max Panel Size 480mm x 420mm Maximum PCB panel dimensions for assembly
Min Track / Spacing 3mil / 3mil
Min BGA Pitch 0.25mm
Smallest Component 01005
Placement Accuracy +/-25 um
Solder Paste Inspection 100% 3D SPI Inline after printing
Soldering Process Lead-free reflow & wave Nitrogen optional
Component Types BGA / QFN / LGA / 0201 / Connectors
Daily SMT Capacity 12,000,000 points
Inspection 100% AOI + X-Ray for BGA IPC-6012 Class 2/3

Industries We Serve

Automotive Industry Automotive Industry Industrial Control and Automation Industrial Control and Automation Medical Device and Health Industry Medical Device and Health Industry Telecom and Networking Equipment Telecom and Networking Equipment Consumer Electronics Consumer Electronics Agricultural PCBA Agricultural PCBA Security Security LED Lights LED Lights Power Supply Power Supply Robot Robot Motor & Drive Motor & Drive Energy Storage & BMS Energy Storage & BMS

Related Resources

DFM Basics: 8 Common PCB Design Issues and How to Avoid Them Eight of the most common PCB design issues found during DFM review, and practical guidance on how to avoid them in your next layout. Quick-Turn PCB Prototyping: 5 Ways to Shorten Your Lead Time Five practical ways to shorten PCB prototype lead time, from file preparation to logistics planning, based on years of quick-turn manufacturing experience. How to Choose PCB Surface Finish: HASL vs ENIG vs OSP A practical comparison of HASL, ENIG and OSP surface finishes covering cost, solderability, shelf life and best-fit applications.

Frequently Asked Questions

Are Your PCBs RoHS-Compliant?

The PCBs we manufactured comply with the essential requirements and other relevant provisions of the RoHs 3/REACH. However, we also offer leaded PCBs as per customers’ request.

How Do I Get a PCB/PCBA Quote?

PCB Orders For a free PCB quote, we would need you to provide the following details: Order quantity Gerber file Technical characteristics (material, surface finish treatment, copper thickness, and board thickness) PCBA Orders For a free PCBA quote, we need: PCB details as above BOM Testing documents

What Are Your Incoterms?

Our standard Incoterms are: Free on Board (FOB) Cost, Insurance, and Freight (CIF) Ex Works (EXW) Delivered at place (DAP)

How do you ship out my orders?

For PCB prototypes, we always deliver the goods by DHL,Fedex,UPS…But if the shipping weight is huge, we can ship out by Sea, by Train, by Plane. If you would like to get a free quote on your estimated shipping time and delivery costs, please contact us

What is the typical lead time for product delivery?

Bare PCB Prototype Quick Turn Layer 2 in 24 hours Layer 4 in 48 hours Layer 6-8 in 72 hours

Need Help? Contact Us
WhatsApp1730 Emailsales@qldpcb.com