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Professional Electronic Energy Meter Manufacturer

Zhejiang Yongtailong Electronic Co., Ltd. – Trusted wholesale supplier of smart meters, prepaid meters, DIN rail meters, and full AMI solutions since 2000. ISO-certified, globally compliant, and engineered for reliability.

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Global Compliance

MID, STS, ANSI, and IEC certified meters for Europe, Africa, Asia, and the Americas.

Vertically Integrated

Full control from R&D to production ensures quality, cost efficiency, and fast delivery.

End-to-End Solutions

From single-phase meters to AMI systems with DCU, UIU, and cloud UI.

Who We Are

Zhejiang Yongtailong Electronic Co., Ltd.

Established in 2000, Zhejiang Yongtailong Electronic Co., Ltd. is a professional manufacturer and supplier of electronic energy meters based in Tongxiang, Zhejiang, China. With over two decades of experience, we specialize in designing, producing, and exporting high-precision energy measurement solutions for utilities, industrial facilities, and smart grid projects worldwide.

Our product range includes single-phase and three-phase smart meters, prepaid meters, DIN rail meters, MID-certified meters, DC energy meters, concentrators, and AMI systems. We are committed to innovation, quality, and customer satisfaction, serving markets across Europe, Africa, Southeast Asia, and South America.

Founded

2000

Location

Tongxiang, Zhejiang, China

Certifications

ISO 9001, MID, STS, IEC

Markets

60+ Countries

YTL Factory

Our Product Range

Wi-FINE Energy Meter

Wi-FINE Energy Meter

Smart RF-enabled meter with real-time data transmission, ideal for AMI systems and remote monitoring.

  • Wi-Fi & RF Communication
  • MID Certified
  • Remote Disconnect
Single Phase DIN Rail Meter

Single Phase DIN Rail Meter

Compact design for easy installation in distribution panels. Ideal for commercial and industrial use.

  • DIN Rail Mounting
  • 8 Measurement Types
  • High Accuracy Class 1
Three Phase Smart Meter

Three Phase Smart Meter

Advanced metering for industrial and utility applications with multi-tariff and load profiling.

  • IEC 62053-21/22
  • RS485 & PLC
  • Anti-Tamper Design
Single Phase Prepaid Meter

Single Phase Prepaid Meter

STS-compliant prepaid meter for residential and commercial billing systems.

  • Keypad & Display
  • Token-Based Recharge
  • Low Power Alarm
DC Energy Meter

DC Energy Meter

Designed for solar PV systems and EV charging stations. Measures DC voltage, current, and power.

  • 0-1000V DC Range
  • Modbus RTU Output
  • High Isolation Voltage

Concentrator (DCU)

Data Concentrator Unit for AMI systems. Collects and transmits data from multiple meters.

  • GPRS/3G/4G Connectivity
  • Supports 1000+ Meters
  • Web-Based UIU

MID Electronic Meter

EU-compliant meter for energy billing in commercial and industrial sectors.

  • MID Certified
  • Class 0.5S Accuracy
  • Pulse Output

ANSI Meter

Designed for North American markets with ANSI C12.1 compliance.

  • ANSI C12.1 Certified
  • Socket & Base Mount
  • 120V/240V Systems
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Applications

Photovoltaic System

Monitor solar generation with DC and AC energy meters for accurate performance tracking.

Electricity Distribution

Reliable metering for substations, feeders, and distribution networks.

MID EV Charging

Compliant metering for public and private EV charging stations in Europe.

Building Automation

Integrate energy data into BMS for smart energy management.

Data Center

High-precision metering for PUE optimization and cost allocation.

Prepaid Metering

STS-compliant solutions for utilities and property managers.

Support & Knowledge

Frequently Asked Questions

What is a DIN rail meter?

A DIN rail meter is designed to be mounted on a standard 35mm DIN rail in electrical panels, commonly used in industrial and commercial installations for space-saving and modular design.

What is a power meter?

A power meter measures electrical parameters such as voltage, current, power, energy, and power factor. It is essential for energy monitoring, billing, and system diagnostics.

Do you offer technical support?

Yes. We provide dedicated technical support for AMI systems, meter integration, and communication protocols. Contact our team via WhatsApp or email.

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Contact Us

Get in touch with our sales and technical teams for samples, quotes, and project support.

Sales Inquiries

Africa Market: Cassidy – WhatsApp

European Market: Apple – WhatsApp

Other Markets: Jane – WhatsApp

Contact Details

Tel: +86-573-88105559

Email: [email protected]

Address: 320 Tongsheng Road, Tongxiang, Zhejiang, China

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