PCBA Functional Testing and Verification Services

Huayihai provides functional and electrical testing for assembled PCBAs, so quality problems are found before shipment — not in the field. Testing is built into the production flow: every board undergoes 100% electrical testing, while additional functional or reliability testing can be performed according to the agreed test plan.

Visual inspection confirms how a board looks; functional testing confirms how it behaves. Both can form part of the production quality workflow, depending on the requirements of the project.

Custom Manufacturing Only

We provide testing as part of custom PCB assembly according to customer Gerber files, BOM, and technical specifications. We do not supply ready-made or standard products.

Service Specifications

Key Features

• 100% electrical testing on every assembled board

• Flying probe and test fixture methods

• Reliability verification: water resistance, environmental, mechanical, burn-in

• Integrated with the production workflow

• Test records provided with shipment

• Governed by IPC-A-610 and agreed test criteria

Manufacturing Highlights

Testing requirements at Huayihai are reviewed before production starts. Test points, fixture requirements, and acceptance criteria are confirmed according to the agreed test plan.

Key service elements include:

• Test planning during the engineering review stage

• In-line inspection: 3D SPI, AOI, 3D-AOI, X-ray

• 100% electrical testing of every board

• Optional reliability testing per agreed plan

• Test documentation with shipment

Typical Applications

Functional and reliability testing fits assemblies where field failure is costly:

• Industrial Control Equipment

• Automotive Electronics

• Medical Devices

• Power Supplies and Power Electronics

• Communication Equipment

• Other Assemblies Requiring Verified Performance

Why Choose Huayihai

• Over 20 years of PCB and PCBA manufacturing experience

• 100% electrical testing as a standard, not an option

• Environmental, mechanical, water-resistance, and burn-in testing available according to project requirements

• Test planning integrated with engineering review

• PCB fabrication and assembly available from one partner

• Quality management based on ISO 9001, ISO 13485, IATF 16949 and UL

Manufacturing Process

• Test plan and criteria agreed during engineering review

• SMT and through-hole assembly with in-line inspection

• X-ray inspection of fine pitch and BGA joints

• 100% electrical testing (flying probe / test fixture)

• Reliability testing where agreed (environmental / mechanical / water / burn-in)

• Final inspection and shipment with test records

FAQ

Q1: Is every board electrically tested?

Yes, 100% electrical testing is standard on every order.

Q2: What is the difference between flying probe and fixture testing?

Flying probe suits prototypes and low volumes without a dedicated fixture; fixture testing suits repeat programs with agreed test points.

Q3: Can you support reliability testing for my assemblies?

Yes. Environmental, mechanical, water-resistance, and burn-in / aging testing can be included when required by the project and agreed before production.

Q4: Who defines the pass criteria?

You do. We test against the criteria agreed in the test plan; we do not invent acceptance limits.

Q5: Are test records provided?

Yes, test documentation is provided with shipment.

Request a Quote

Need PCB assemblies with defined electrical or functional test requirements?

Send us your Gerber files, BOM, quantity, and test requirements for quotation. Learn more at nexuspcba.com.

About Us

20+ Years of PCB & PCBA Manufacturing Excellence

Founded in 2005, we are a professional PCB and PCBA manufacturer based in Shenzhen, China, providing reliable electronic manufacturing services to customers worldwide. With over 20 years of industry experience, we specialize in PCB fabrication, SMT assembly, DIP assembly, component sourcing, and turnkey PCBA manufacturing, supporting projects from rapid prototyping to high-volume production.

Today, our 8,000㎡ manufacturing facility is supported by 300+ skilled employees and a complete production system designed to deliver consistent quality, efficient lead times, and dependable manufacturing solutions.

Comprehensive Manufacturing Capabilities

Our integrated manufacturing capabilities allow us to support a wide range of PCB and PCBA requirements under one roof. From engineering support and material preparation to final assembly and delivery, every stage is managed through a streamlined production process to ensure efficiency and product consistency.

• Our manufacturing capabilities include:
• PCB Fabrication
• SMT Assembly
• Through-Hole (DIP) Assembly
• Turnkey PCBA
• Component Sourcing
• Prototype Production
• Low-Volume & Mass Production

With advanced PCB production facilities and high-speed SMT production lines, we are capable of manufacturing complex electronic products while maintaining stable quality and reliable delivery performance.

PCB Technologies We Support

We manufacture a wide variety of PCB products, including:

• Single-Sided PCB
• Double-Sided PCB
• Multilayer PCB
• HDI PCB
• High-Frequency PCB
• Aluminum PCB
• Heavy Copper PCB
• High-Tg PCB
• Rigid-Flex PCB
• Hybrid Material PCB
• Planar Transformer PCB
• Custom Special PCBs

Our flexible manufacturing capability enables us to meet diverse technical requirements for both standard and customized projects.

Quality Comes First

Quality is at the core of everything we do. Our experienced engineering team works closely with production and quality management departments to ensure every project meets customer expectations for performance, reliability, and consistency.

Our manufacturing system is backed by internationally recognized certifications, including:

• ISO 9001
• ISO 13485
• IATF 16949
• UL Certification

These certifications reflect our commitment to continuous improvement, standardized manufacturing processes, and reliable quality management across every stage of production.

Industries We Serve

Our PCB and PCBA solutions are widely used across multiple industries, including:

• Industrial Control
• Medical Electronics
• Communication Equipment
• Smart Home Devices
• Power Supply Systems
• Computer Networking
• Consumer Electronics
• Automotive Electronics
• Aerospace Applications

Why Choose Us

Your Reliable Manufacturing Partner

From prototype development to large-scale production, we are committed to providing dependable manufacturing solutions that help customers bring innovative electronic products to market faster. By combining experienced engineering, efficient production management, and internationally recognized quality standards, we strive to become a trusted long-term manufacturing partner for customers around the world.