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leading Electricity meter components manufacturer
We are a high-tech enterprise specializing in latching relays, energy meter current transformers, split core current transformers, 10kV-35kV high voltage transformers... Our vision is provide reliable and cost-effective electrical components for users.

COMPANY PROFILE

About TOPRO

Yueqing RunEasy Electronic Technology, Led by a group of savvy engineers and industrial experts with over 20 years technical experience, is a leading Electricity meter components manufactures in China , dedicated in R&D, production and supply Current transformers, latching relays, shunts, meter enclosures, electronic cables. Besides, we also support regular Current transformers, split core current transformers for customers.
 The factory passed ISO9001 quality system certification, and production line carry out TS16949 to guarantee the products quality stable and reliable in long term.
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relays and CT product capability annually

Why Choose Us TOPRO Technology

Reliable Electricity meter components work in long term

We carry on quality control from incoming materials, production process and inspection strictly before ship to customers. Latching relays and Current transformers conform to IEC62055-31and IEC 62053-21.

Delivery on time

We always keep in mind that the on time-delivery can enhance the customer’s core competition force, all the orders can be delivered to customers as planned.

Optimized solutions with cost effective, to save cost and create maximum value for customers

Our R&D team works in the field for more 20 years. For example, after learn the customers's requirements to the maximum rating current and external magnetic field, we can design the proper shielded CT and relay solution with cost effective. In meanwhile, we also can design the integrated solution, assemble the switch, CT, shunt into meter enclosures, to save the cost and create maximum value for customers.

Hot Selling Electricity Meter Components

Welcome to Join hundreds of TOPRO ’s happy customers , you won't be disappointed.

Provide Professional Power Industry Solutions

Wide open discussion with worldwide talented Electrical meter manufacturer designer, we can provide advanced, optimized,cost efficient and reliable solution options for customers, saving cost and creating max value for customers.
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DIN Rail Meter
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Single Phase / Three Phase Meter
Ansi Meter
Ansi Meter
Split Core Current Transformers for retrofitting electricity systems
Split Core Current Transformers For Retrofitting Electricity Systems
Residual current transformers for fire monitoring
Residual Current Transformers For Fire Monitoring
10-35KV high voltage current transformers
10-35KV High Voltage Current Transformers

Our Updated News

We started a wonderful first day at FIEE(Sao Paulo, Brazil) !
October 17, 2025

We started a wonderful first day at FIEE(Sao Paulo, Brazil) ! The first day filled with friendship, teamworking and passion. We had some good communication with customers, displayed a wide range of our smart electricity meter components, and low voltage split core transformers solutions.

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We are thrilled to have been part of one of Latin America’s largest industrial trade shows
October 17, 2025

We are thrilled to have been part of one of Latin America’s largest industrial trade shows. It was an absolute pleasure connecting with industry leaders, innovators, and partners from across the globe.A huge thank you to everyone who stopped by our booth, shared insights, and showed interest in our

Invitation to Enlit Europe 2025 Booth 1.H101 | Bilbao, Spain | November 18–20, 2025
October 17, 2025

Dear Valued Partner,We cordially invite you to visit Topro Metering Solutions at Enlit Europe 2025 in Bilbao, Spain. Join us at Booth 1.H101 from November 18th to 20th, 2025, to explore our cutting-edge innovations, including:Single pole & dual pole & three phase Latching RelaysDC immune current Tra

Join Us on 9-12 Sep 2025 at Sao paulo, Brazil Our Booth Number Is C35
August 25, 2025

We will be exhibiting at FIEE (Smart future) 2025, from September 9th to 12th, 2025, at São Paulo Expo, Brazil. Please Visit us at Booth No. C35 to see our advanced smart electricity meters components solutions such as single phase/dual pole/ three phase latching relays with rating from 30Amps to 15

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Provide Solutions

Wide open discussion with worldwide talented Electrical meter manufacturer designer, we can provide advanced, optimized,cost efficient and reliable solution options for customers, saving cost and creating max value for customers , are one of ours missions.
 Email: marvin@toproteches.com / info@toproteches.com
 Phone: +86-13587465552
 WhatsApp: +86-13587465552
 Address:No.308, Weishijiu Road, Economic Development Zone, Yueqing city, Zhejiang province, China.
Welcome to Join hundreds of TOPRO ’s happy customers , you won't be disappointed.

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CONTACT US

Email: marvin@toproteches.com / info@toproteches.com
Phone: +86-13587465552
WhatsApp: +86-13587465552
Address: No.308, Weishijiu Road, Economic Development Zone, Yueqing city, Zhejiang province, China.
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