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JA ELECTRONICS

China-Based PCB & PCBA Manufacturing for Global Customers

About Us

We are a China-based PCB & PCBA manufacturing partner supporting OEMs, EMS providers, engineering companies, and product developers worldwide.

Our focus is simple: turn proven designs into reliable, production-ready electronics.

From PCB fabrication and component sourcing to SMT/THT assembly, inspection, testing, and final delivery, we provide an integrated manufacturing solution tailored to each project.

We support the full product lifecycle — from prototype and NPI to small and medium-volume production. Our engineering-oriented approach helps identify manufacturability, component availability, assembly, and quality considerations before production begins.

Our capabilities include multilayer PCB fabrication, SMT and THT/DIP assembly, BOM management, component sourcing, SPI, AOI, X-Ray inspection, functional testing, and quality control.

We understand that successful electronics manufacturing is more than placing components on a board. It requires process control, engineering discipline, supply-chain reliability, and consistent quality.

That is why we work closely with our customers to provide practical manufacturing solutions, transparent communication, and dependable production support.

Our Services

Integrated PCB & PCBA Manufacturing Solutions

PCB Fabrication

Custom PCB manufacturing from prototype to volume production, including single-layer, double-layer, and multilayer PCBs.

FR-4 • Multilayer PCB • High-Speed PCB • Prototype & Production • ENIG / HASL / OSP
SMT Assembly

Precision SMT assembly for prototypes, small batches, and production runs, with controlled solder paste printing, component placement, reflow soldering, and AOI inspection.

SMT Placement • BGA / QFN • Fine-Pitch Components • Reflow Soldering • AOI / X-Ray
THT / DIP Assembly

Reliable through-hole and DIP assembly for components requiring strong mechanical connections, durability, and high reliability.

THT Assembly • DIP Insertion • Wave Soldering • Selective Soldering • Manual Soldering
Component Sourcing

Component sourcing and BOM management to simplify procurement, control costs, and reduce supply chain risks.

BOM Review • Component Procurement • Alternative Parts • Supply Chain Management • Quality Verification
IC Decryption & Unlocking

Technical IC analysis, decryption, and unlocking services for selected devices and authorized projects, subject to technical feasibility.

IC Analysis • Data Extraction • Chip Programming • Security Analysis • Technical Assessment
Multi-layer PCB Cloning

Multilayer PCB reproduction based on existing samples or reference boards, including layer analysis, circuit tracing, and PCB reconstruction.

PCB Analysis • Layer Identification • Circuit Tracing • PCB Reconstruction • Gerber Generation

Quality & Engineering

Comprehensive inspection and quality control throughout the production process

SPI

Solder Paste Inspection to verify paste volume, coverage, and alignment before component placement.

AOI

Automated Optical Inspection to detect solder defects, component misalignment, and assembly errors.

X-Ray Inspection

X-Ray inspection for BGA, QFN, and hidden solder joints to ensure internal connection integrity.

Functional Testing

Functional testing to verify product performance and ensure each unit meets operational requirements.

BOM Management

BOM review and management to optimize component selection, control costs, and reduce supply chain risks.

Quality Control

Strict quality control processes throughout fabrication, assembly, and testing to ensure consistent results.

Our Factory

From PCB manufacturing and SMT assembly to THT/DIP assembly, component sourcing and testing, we support projects from prototype to mass production.

With engineering-focused production processes and quality control at every stage, we are committed to delivering consistent, reliable and production-ready PCB & PCBA solutions for OEMs, EMS providers and electronics companies.

Factory 1
Factory 2
Factory 3

Get in Touch

Contact us to discuss your project

Rita

Email: Rita@japcbpcba.com

Email: sales@japcbpcba.com

WhatsApp / Tel: +86 158 7552 6820