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Precision Electronic Components for Global Innovation

NINGBO SANCO ELECTRONICS CO., LTD. – Trusted manufacturer of SMD Buzzers, Micro Speakers, Piezo Ceramics, Electret Microphones, and Alarm Sirens for over 20 years. ISO-certified quality with 91%-100% export rate.

SMD Piezo Transducer

About Us

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20+ Years of Excellence in Electronic Components

NINGBO SANCO ELECTRONICS CO., LTD. is a professional manufacturer based in Zhejiang, China, specializing in buzzers, speakers, microphones, piezo ceramics, and alarm sirens. Established in 2014, we have built a strong reputation for high-quality, reliable components used in consumer electronics, industrial systems, automotive, and security devices.

With 91%-100% of our products exported worldwide, we serve clients across the Americas, Europe, Asia, and Oceania. Our certifications include ISO9001, ISO14001, ISO/TS16949, RoHS, REACH, and MSDS – ensuring compliance with international standards.

20+
Years Experience
91-100%
Export Rate

Our Premium Products

Discover our wide range of high-performance electronic components designed for durability, precision, and global compliance.

SMD Piezo Transducer 9x9x1.8mm

SMD Piezo Transducer 9x9x1.8mm

Ultra-compact surface mount piezo element ideal for space-constrained applications.

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SMD Buzzer 4x4x2mm top fired

SMD Buzzer 4x4x2mm Top Fired

Miniature magnetic buzzer with high sound output and low power consumption.

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SMD Buzzer 5x5x1.9mm

SMD Buzzer 5x5x1.9mm (Hot Seller)

Best-selling compact buzzer with excellent reliability and consistent performance.

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SMD Buzzer SMD-9040B-03627J

SMD Buzzer SMD-9040B-03627J 9×4.0mm

High-efficiency piezo buzzer with stable frequency and long service life.

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Magnetic Buzzer 12×7.5mm

Magnetic Buzzer 12×7.5mm 3100Hz 85dB

Loud and clear magnetic buzzer suitable for alarms and notification systems.

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Piezo Alarm Fast Pulse 43x33mm

Piezo Alarm Fast Pulse 43x33mm

High-intensity piezo alarm with fast response time for emergency systems.

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Waterproof Speaker 30x20x4.8mm IP68

Waterproof Speaker 30x20x4.8mm IP68

Fully sealed speaker for outdoor and harsh environment applications.

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SMD Digital MEMS 4x3x1mm -26dB

SMD Digital MEMS 4x3x1mm -26dB

Miniature digital MEMS microphone with high SNR and low distortion.

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SMD MIC with cover 4*1.3mm 42dB

SMD MIC with Cover 4*1.3mm 42dB

Compact electret condenser microphone with protective cover and consistent output.

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SMD Micro Speaker 15x15x4.0mm

SMD Micro Speaker 15x15x4.0mm

High-fidelity micro speaker for compact audio devices and wearables.

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Waterproof Speaker 20×3.8mm 8ohm 0.8W 94dB

Waterproof Speaker 20×3.8mm 8Ω 0.8W 94dB

Efficient, compact waterproof speaker with high SPL and durability.

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SMD Buzzer SMT-1290A-05027 12×9.0mm

SMD Buzzer SMT-1290A-05027 12×9.0mm

Surface mount buzzer with high reliability and consistent acoustic performance.

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Why Choose Sanco Buzzer?

Certified Quality

ISO9001, ISO14001, ISO/TS16949, RoHS, REACH, MSDS – all products meet international standards.

Global Reach

Exporting to Americas, Europe, Asia, Oceania, and more. Trusted by clients worldwide.

R&D & QC

Dedicated R&D and quality control teams ensure innovation and consistent product performance.

Manufacturer Direct

As a direct manufacturer, we offer competitive pricing and fast turnaround times.

20+
Years in Industry
91-100%
Export Rate
100+
Global Clients
200+
Products

Frequently Asked Questions

What products does Sanco Buzzer manufacture?

We specialize in SMD Buzzers, Magnetic and Piezo Buzzers, Micro Speakers, Electret Condenser Microphones, MEMS MICs, Waterproof Speakers, Piezo Ceramics, and Alarm Sirens.

Are your products RoHS compliant?

Yes, all our products comply with RoHS, REACH, and other environmental standards. We provide test reports and certifications upon request.

Can you provide custom solutions?

Yes, our R&D team supports OEM/ODM projects. We can customize size, frequency, voltage, and housing based on your requirements.

What is your MOQ?

MOQ varies by product. For standard items, it can be as low as 1,000 pieces. Contact us for specific details.

How can I request a sample?

You can request samples through our official website or by contacting our sales team directly.

Contact Us

Get in touch with our sales team for inquiries, samples, or custom solutions.

Contact Information

  • Tel: 0086-574-83851068
  • Mobile: +86 13957856201
  • Fax: 0086-574-83851096
  • Email: sales@sancoelectronics.com
  • Address: Rm10-9, No.580, Ningdong Road, Huanhe Business Centre #2 Building, Ningbo, Zhejiang, China
  • WeChat: 13957856201

Sales Representative

Mr. Sam Duan

Marketing & Sales

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