o-leading

O-Leading's Manufacturing And Engineering Commitment


O-Leading is known for high-reliability PCB and PCBA manufacturing, but we are about more than just circuit boards. We serve mission-critical industries — aerospace, industrial control, and telecommunications — where a single failed board can mean a failed mission. That's why over 30% of our team are engineers, and every project starts with a free DFM review, not just a price quote.

 Our quality program is rooted in engineering-first manufacturing and total quality management, from DFM audit to final FQA. This foundation, along with a dedicated team, promotes the following:

Striving for zero defects in every batch.                                                                    Quality integrated from DFM audit to final FQA.

Simple, reliable designs are the best solutions.                                                        Seamless scale-up from prototype to volume, delivered worldwide.

Manufacturing experience icon
10+
Years of Manufacturing Experience
Layer capability icon
44
Layers Up to HDI Any-Layer
Global reach icon
60+
Countries Served Worldwide
Production capacity icon
200,000m2+
Monthly PCB Production Capacity

01 · Fabrication High-precision PCB drilling machine in production
PCB Fabrication

Precision Boards, Up to 44 Layers

Up to 44 Layers 3 mil Precision Prototype to Volume

From 44-layer rigid boards to HDI Any-layer and specialty materials — rapid prototyping to volume production with full traceability on every panel.

44
Max layers, HDI Any-layer capable
3 mil
Laser microvia precision
100%
Netlist electrical test on every board
02 · Assembly 3D AOI inspection of assembled PCBA
PCBA Assembly

Turnkey Assembly, 01005 to System

SMT / THT / Mixed Conformal Coating System Box-Build

Turnkey assembly from 01005 micro-components to 0.3mm BGA and full system box-build, with 3D AOI & X-Ray verification on every board.

  • 01005Micro-component placement — 0.4 × 0.2mm on the smallest parts
  • 100%3D AOI coverage + X-Ray inspection for hidden joints
  • 0.3mmFine-pitch BGA / µBGA assembly with void control
03 · Sourcing Component warehouse barcode scanning of SMD reels
Component Sourcing

Secure Supply
From Authorized Channels

Authorized Channels 100% IQC Batch Traceability

Global procurement from authorized channels with IQC inspection and batch traceability — secure supply for every project, from prototype to mass production.

100%
Incoming quality control on every lot
1:1
BOM-to-stock verification against originals
Batch
Full lot traceability through assembly