

About Us
Seimitsu Electronic (M) Sdn Bhd, established on 2002, specializes in Electronic Manufacturing Services (EMS) with a dedicated focus on contract coil winding for electronic components. We are recognized for delivering cost-effective and high-quality coil winding solutions, including layer windings and non-bobbin coils. Each product we manufacture embodies exceptional consistency, from the first to the last coil, ensuring that our customers receive reliable performance every time.
Before you consider outsourcing your electrical component needs internationally, let us show you the advantage of working with a trusted Malaysia manufacturer. Our coils are meticulously hand-wound in Malaysia, offering you superior quality and a commitment to total customer satisfaction. With quality control at every stage of production, we guarantee that each coil leaving our facility meets the rigorous standards set by our valued clients.

Quality Assurance
Our mission is to manufacture wire-wound precision electronic components with uncompromising quality — prioritizing reliability, consistency, and complete customer satisfaction
We are committed to delivering zero-defect products, on-time shipments, and competitive pricing, while continuously improving our processes to exceed industry standards and client expectations.
• Sensors & Encoders
Trusted by engineering teams in:
• RF/Wireless
• Power Electronics
• Industrial Automation
• Motion Control
Globally Recognized. Locally Manufactured


We meet the certifications global OEMs demand — from ISO standards to environmental compliance — without compromising speed or cost.
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Production Capability
What we manufacture:
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Custom coils & transformers
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PCB assembly & soldering
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Prototype & mass-production runs
Custom Coil Manufacturing and PCB Assembly Capabilities
Seimitsu Electronic Support OEMs with scalable production and engineering services.

How we support your project:
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Material & core selection
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Coil dimension optimization
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Prototype testing & adjustments
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Drawing-to-production assistance
Design & Engineering Support

We handle:
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Prototype builds
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Small-batch production
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High-volume recurring orders
Volume & Delivery Capability
