Refine On (Hebei) Electric Power Technology Co., Ltd. is located in Mancheng High-Tech Development Zone, Baoding. Dedicated to the high-tech field of power system automation, we are a technology-oriented enterprise integrating R&D, production, sales and service. Our main products include power sector testing equipment such as high-voltage test tester series, insulating oil tester series, transformer tester series, insulation resistance testers, power quality analyzers, high-voltage switch characteristic testers, and zinc oxide arrester testers.
- Transformer Tester
- Partial Discharge Tester
- Hipot Tester
- Transformer Oil Tester
- Resistance Tester
Products

Welcome To Visit Us
Equipped with various production, testing and detection facilities, the company has a sound management system and strictly implements the GB/T19001-2016 quality management system standard in production and operation. We have developed a number of high-tech instruments and equipment that meet on-site needs, and our products are currently widely used in power, railway, mining, petroleum, chemical industry and other fields.

We value every partnership and long-term cooperation with customers from all over the world.
We maintain sincere communication with each client, deeply understand their project requirements, and provide reliable electrical testing equipment and professional technical solutions.
These photos record the moments of on-site communication, factory visits and project negotiation with our partners.
Relying on our complete production & testing system and strong R&D capability, we keep delivering high-quality products for power, railway, mining, petroleum and chemical industries.
We sincerely welcome global customers to visit our factory, discuss cooperation and achieve win-win results.
Our Advantages
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Diverse Designs & Techniques to Meet
Your Custom Needs
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Custom Product Design
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Rich Material Selection
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Custom Performance



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OEM/ODMWe have a wide range of products, and we will provide technical support according to your actual needs to choose the right product for you.Read More
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Good ServiceHigh-quality after-sales service, tracking usage, and positive feedback. Rapid response within 24 hours.Read More
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Reasonable PriceGood Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.Read More
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Quality AssuranceWe have 100% quality guarantee to customers. We will be responsible for any quality problem.Read More
Latest News
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Jul 02, 2026Authoritative, Detailed Guide To Key Operational Considerations For The 2026 Multifunctional Thre...This document is based on the 2026 operational standards for electric metering equipment and was compiled by the technical team at Ruifannuo (Hebei) Electric... -
Jul 02, 2026Comprehensive Analysis Of The 2026 Multifunctional Three-Phase Electricity Meter Field Calibrator...This article focuses on the core product attributes of electricity meter calibrators in 2026. It explores the subject from multiple dimensions-including basi... -
Mar 20, 2026Cable Tester AccessoriesHigh-Voltage Test Transformer: For high-voltage flashover testing, a 1.5-5KW high-voltage test transformer with an output voltage of 0-70KV (DC) is used, cap...



























