About VoltCircuits
Your Trusted PCB & PCBA Manufacturing Partner in China — Engineering Support from Prototype to Mass Production.
3000㎡+
30+
ISO 9001
24 Hours
Your PCB & PCBA Manufacturing Partner
VoltCircuits is a China-based PCB and PCBA manufacturer serving overseas B2B customers worldwide. We provide PCB manufacturing, PCB assembly, component sourcing, and box build assembly, supporting OEMs, hardware startups, and electronics manufacturers from prototype development to mass production.
Engineering Better Manufacturing Partnerships
Our mission is to deliver reliable PCB and PCBA manufacturing through engineering expertise, consistent quality, responsive communication, and long-term partnerships with our customers.
Building a Trusted Global Manufacturing Partnership
Our vision is to become a trusted global manufacturing partner for electronics companies by delivering world-class quality, practical engineering support, and dependable manufacturing solutions from prototype to production.
What We Stand For
Customer First
We focus on understanding customer requirements and delivering manufacturing solutions that support their goals.
Quality Without Compromise
We maintain consistent quality through controlled manufacturing processes, inspection, and testing.
Engineering Excellence
We apply practical engineering expertise to support DFM, production readiness, and manufacturing challenges.
Continuous Improvement
We continuously improve our processes, capabilities, and manufacturing practices.
Integrity & Transparency
We communicate clearly, work honestly, and provide transparent information throughout each project.
Long-Term Partnership
We aim to build lasting manufacturing relationships by providing reliable support from prototype to production.
VoltCircuits
Company Name
Dongguan Shenjieyuan ELetronic Co., Ltd
Factory Location
Dongguan, Guangdong, China
Year Established
2020
Factory Size
3000㎡+
Quality Certification
ISO 9001 · ISO/TS 16949 · ISO 13485
Number of Employees
280+
Production Capacity
Primary Export Markets
Worldwide / Global B2B Markets
VoltCircuits at a Glance
PCB & PCBA Manufacturing Services
VoltCircuits provides end-to-end PCB and PCBA manufacturing services, supporting electronics projects from prototype development and low-volume production to mass production and finished product assembly.
PCB Manufacturing
Custom PCB manufacturing for prototypes, low-volume production, and mass production.
PCB Assembly (PCBA)
SMT, through-hole, BGA, and mixed-technology PCB assembly.
Prototype PCB Assembly
Prototype assembly to support design verification and product development.
Low-Volume Production
Flexible PCB assembly for smaller production quantities and product launches.
Mass Production
Scalable PCB assembly for ongoing production requirements.
Turnkey PCB Assembly
PCB fabrication, component sourcing, assembly, inspection, and testing through one partner.
Component Sourcing
BOM verification, component procurement, and alternative sourcing support.
Box Build Assembly
Integration of PCB assemblies into complete electronic products and systems.
PCB & PCBA Solutions Across Key Industries
VoltCircuits supports electronics companies across multiple industries with PCB manufacturing, PCB assembly, component sourcing, and production support from prototype to mass production.
Industrial Electronics
PCB and PCBA manufacturing for industrial automation, control systems, and factory equipment.
Automotive Electronics
High-reliability PCB and PCBA solutions for automotive and EV electronics.
Medical Devices
Reliable PCB manufacturing and assembly for medical and healthcare electronics.
IoT Devices
PCB and PCBA solutions for connected devices, smart products, and IoT systems.
Consumer Electronics
PCB manufacturing and assembly for smart, connected, and everyday consumer products.
Telecommunications
PCB manufacturing and assembly for networking, wireless communication, and telecom equipment.
Built for Global Electronics Manufacturing
VoltCircuits combines engineering support, manufacturing capabilities, quality control, and supply-chain support to help global customers move from prototype to production.
Prototype to Mass Production
Support electronics projects from initial prototypes through scalable production.
Engineering Support
Provide practical engineering and DFM support to improve production readiness.
24-Hour RFQ Response
Support electronics projects from initial prototypes through scalable production.
Reliable Component Sourcing
Support BOM verification, component sourcing, and alternative component solutions.
Advanced Manufacturing Equipment
Use modern SMT, inspection, and testing equipment to support consistent production.
Strict Quality Control
Apply inspection, testing, and production traceability throughout manufacturing.
Dedicated Project Manager
Provide a dedicated contact for project coordination and communication.
Global Export Experience
Support overseas B2B customers with international production and worldwide delivery.
From Project Consultation to Worldwide Delivery
VoltCircuits provides a structured manufacturing process designed to support electronics projects from initial requirements through PCB manufacturing, assembly, inspection, and global delivery.
Step 1
Project Consultation
Understand project requirements, product goals, production needs, and technical requirements.
Step 2
Engineering Review
Review PCB designs and manufacturing requirements before production.
Step 3
DFM & BOM Verification
Check design manufacturability and BOM information to identify potential production and sourcing issues.
Step 4
PCB Manufacturing
Manufacture PCBs according to approved design and production requirements.
Step 5
PCB Assembly
Assemble components using SMT, through-hole, BGA, and mixed-technology processes as required.
Step 6
Inspection & Testing
Apply inspection and testing processes to verify manufacturing and functional requirements.
Step 7
Packaging
Prepare finished PCB assemblies and products for secure shipment.
Step 8
Worldwide Delivery
Coordinate shipment of finished products to overseas B2B customers.
Inside the VoltCircuits Manufacturing Facility
Explore our manufacturing, assembly, inspection, testing, storage, and packaging areas supporting PCB and PCBA production from prototype to mass production.
Factory Overview
An overview of the VoltCircuits manufacturing facility and production environment.
SMT Production Workshop
Automated SMT production equipment supporting precise and efficient PCB assembly.
PCB Assembly Workshop
PCB assembly operations covering SMT, through-hole, and mixed-technology production.
Quality Inspection Area
Inspection processes including SPI, AOI, and X-Ray to support consistent PCB assembly quality.
Testing Area
Testing equipment used to verify defined electrical and functional requirements.
Component & Material Warehouse
Organized material storage supporting component availability, identification, and production continuity.
Engineering & DFM Area
Engineering support for design review, DFM analysis, BOM verification, and production preparation.
Packaging & Shipping Area
Final packaging and preparation of finished PCB assemblies for worldwide shipment.
Manufacturing & Inspection Equipment
VoltCircuits uses modern manufacturing, inspection, and testing equipment to support reliable PCB and PCBA production from prototype to mass production.
High-Speed SMT Production Lines
Automated SMT production lines supporting efficient and consistent PCB assembly.
Automatic Pick & Place Machines
Precisely place surface-mount components onto PCBs during automated assembly.
Reflow Ovens
Provide controlled soldering conditions for reliable SMT assembly.
Wave Soldering Machines
Support reliable soldering of through-hole components for suitable PCB assemblies.
AOI Inspection Systems
Automatically inspect assembled PCBs for visible soldering and component placement defects.
Digital X-Ray Inspection Systems
Inspect hidden solder joints and connections that cannot be verified visually.
Functional Testing Equipment
Verify assembled products against defined electrical and functional requirements.
Production & Packaging Equipment
Support final production handling, packaging, and preparation of finished products for shipment.
Quality Management from Incoming Materials to Final Inspection
VoltCircuits applies inspection, testing, and production traceability throughout the manufacturing process to support consistent PCB and PCBA quality.
Incoming Material Inspection
Inspect components and materials before production to verify they meet project requirements.
Material & Component Verification
Verify component identity and material information before production to help prevent material mix-ups.
SPI Inspection
Verify solder paste application before component placement to support reliable SMT assembly.
AOI Inspection
High-reliability PCB and PCBA solutions for automotive and EV electronics.
X-Ray Inspection
Inspect hidden solder joints and connections that cannot be verified through visual inspection.
Functional Testing
Verify assembled products against defined electrical and functional requirements.
Final Quality Inspection
Perform final inspection to confirm product quality and manufacturing requirements before shipment.
Production Traceability
Track materials and production information throughout the manufacturing process.
Quality Certifications & Manufacturing Standards
VoltCircuits follows recognized quality and manufacturing requirements to support reliable PCB and PCBA production for global B2B customers.
ISO 9001
Quality management system supporting consistent manufacturing processes and quality control.
ISO/TS 16949
Quality management certification supporting automotive-related manufacturing requirements and consistent production processes.
ISO 13485
Quality management certification supporting manufacturing requirements for medical device-related products and processes.
Customer-Specific Quality Requirements
Support additional inspection, testing, documentation, and quality requirements defined for individual projects.
From Project Consultation to Worldwide Delivery
VoltCircuits provides a structured manufacturing process designed to support electronics projects from initial requirements through PCB manufacturing, assembly, inspection, and global delivery.
North America
Supporting electronics companies and product manufacturers across North American markets.
Europe
Supporting PCB and PCBA requirements for electronics companies across European markets.
United Kingdom
Supporting UK electronics companies with PCB manufacturing and assembly services.
Australia
Supporting electronics projects and production requirements for customers in Australia.
Southeast Asia
Supporting electronics manufacturers and product companies across Southeast Asian markets.
Middle East
Supporting PCB and PCBA manufacturing requirements for businesses across Middle Eastern markets.
Why Global Customers Choose VoltCircuits
VoltCircuits combines engineering support, manufacturing capability, quality control, supply-chain support, and global delivery to help customers move from prototype to production.
OUR ADVANTAGES
One-Stop Manufacturing Partner
Manage PCB manufacturing, assembly, component sourcing, testing, and box build requirements through one manufacturing partner.
Fast Engineering Response
Provide responsive engineering and DFM support to help identify manufacturing issues before production.
Prototype to Production
Support electronics projects from prototype development through low-volume and mass production.
Flexible Order Quantities
Support different production volumes according to project requirements, from prototypes to larger production runs.
Consistent Product Quality
Apply controlled manufacturing, inspection, testing, and production traceability throughout the production process.
Reliable Supply Chain
Support BOM verification, component sourcing, alternative solutions, and production supply planning.
Competitive Manufacturing Costs
Provide cost-effective PCB and PCBA manufacturing while meeting defined quality and production requirements.
Worldwide Shipping
Support overseas B2B customers with worldwide delivery of finished PCB assemblies and electronic products.
Let's Build Your Next Electronics Project Together
Whether you’re developing your first prototype or scaling to mass production, VoltCircuits provides the engineering support, manufacturing, and quality control to help move your project forward.
READY TO START YOUR PROJECT?
Engineering Your Product
from Prototype to Production
Ready to move your electronics project forward? Work with VoltCircuits for reliable PCB and PCBA manufacturing from prototype to production.