How a Malaysian 3D Printer Manufacturer Achieved CB Certification with Our OEM Solutions, Expert On-Site Support, and Tailored Filtering Strategy

Introduction
In the fast-moving world of electronics, meeting regulatory requirements is not just a checkbox—it’s a competitive differentiator. SHENZHEN VIIP ELECTRONICS CO., LTD. specializes in OEM solutions and comprehensive EMC testing assistance that help manufacturers accelerate time-to-market while ensuring robust electromagnetic compatibility. Here is a representative case that illustrates how our engineering expertise, hands-on field support, and customized filtering approach can turn a challenging test journey into a successful CB certification.

Client background
A Malaysian client producing desktop 3D printers needed to pass EMC testing to bring their innovative devices to global markets. The project required close collaboration across design, electrical engineering, and compliance teams to navigate the stringent EMC requirements.

Challenge

• The initial RE (Resistance Emission) testing failed, delaying product launch and adding risk to market timelines.
• The client needed practical, field-tested solutions that could be implemented quickly without major redesigns.
• A full, reliable path to CB (Certification Body) testing and eventual market approval was essential.

Our approach

• End-to-end OEM and testing collaboration: VIIP Electronics provided a turnkey mix of product engineering, EMC expertise, and on-site support tailored to the client’s production realities.
• On-site engineering visits: Our qualified engineers were on the ground for four site visits, providing hands-on analysis, modifications, and verification steps aligned with the client’s schedule.
• Customized filtering strategy: We added a single-phase filter tailored to the specific test results, targeting the dominant emission paths identified during testing.
• Magnetic components optimization: In addition to the filter, we introduced three types of magnetic cores (magnetic rings) to further suppress conducted and radiated emissions, supporting a broader compliance envelope.
• Iterative testing and refinement: The team worked in tandem with the client’s QA and engineering groups to iterate on filter design and magnetic components based on test feedback.

What happened during the process

• Step 1: RE testing showed non-compliance, prompting an immediate evaluation of the power input stage and primary emission sources.
• Step 2: Our engineers recommended a baseline single-phase filter configuration and selected magnetic rings to address the dominant emission pathways.
• Step 3: On-site modifications were implemented, and immediate tests were conducted to validate incremental improvements.
• Step 4: After a month of coordinated efforts, the product progressed from RE test failure to successful CB testing, clearing the way for market entry.

Why our approach works

• Practical, results-driven engineering: Our team translates EMC theory into actionable hardware changes that fit existing product architectures.
• Responsive on-site support: Four field visits ensured timely troubleshooting, reducing downtime and speeding up the certification timeline.
• Customization at the core: The single-phase filter and magnetic ring combination was specifically tuned to the client’s emissions profile, rather than relying on one-size-fits-all solutions.
• End-to-end value: Beyond testing, we provide ongoing OEM support—from parts selection and integration to post-certification guidance for production lines.

Benefits to our clients (OEM and testing services)

• Accelerated time-to-market: Shorter certification cycles through proactive, on-site engineering and rapid iteration.
• Higher first-pass success rate: Targeted filtering and magnetic components directly address the root emission sources observed in testing.
• Cost efficiency: Tailored solutions minimize unnecessary redesigns and reduce trial-and-error iterations.
• Global compliance readiness: Our experience with CB and regional testing regimes helps clients navigate multi-market requirements with confidence.

Why VIIP Electronics?

• Deep EMC expertise across a broad range of products, including consumer, industrial, and 3D printing systems.and medical products
• Flexible OEM collaboration models: Co-design, turnkey module integration, or full testing assistance—whatever fits your product strategy.
• Proven field support: Our engineers are committed to hands-on, pragmatic problem solving in real production environments.
• Comprehensive testing readiness: From RE/EMC to CB and beyond, we align hardware design with certification roadmaps.

Call to action
If you’re planning to bring a new electronics product to market and want a proven partner who can fuse OEM capabilities with pragmatic EMC testing support, let's talk. VIIP Electronics stands ready to tailor a plan that fits your product, timeline, and regulatory ambitions. Contact us to discuss your certification goals, upcoming test programs, and how our on-site engineering leadership can help you move smoothly from concept to CB certification—and beyond.

About SHENZHEN VIIP ELECTRONICS CO., LTD.

• Experts in OEM design and EMI/EMC testing support
• Global compliance mindset with hands-on field engineering
• Flexible engagement models to suit startups, SMBs, and large manufacturers
• Commitment to efficiency, reliability, and measurable testing outcomes