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Zhejiang Dongfa Intelligent Electrical Technology Co., Ltd.

High-Voltage Electrical Products

Located in Yueqing, Zhejiang—the "Capital of China's Electrical Appliances"—Dongfa Intelligent is a specialized manufacturer integrating R&D, production, sales, and service of high-voltage electrical products. Since 2012, the company has been dedicated to the high-voltage electrical sector, growing from core components to complete equipment and from domestic operations to international expansion.

Product Warranty

Quality assurance

2012

Establishment & Component Manufacturing

Focused on R&D and manufacturing of high- and low-voltage electromagnetic coils, including CD17, CD10, locking coils, FN25/FN12 load switch coils, and ZN7, ZK1, CKG4 coils.

2014

Expansion into Complete Equipment

Expanded production capacity and added finished-product lines, entering high-voltage switchgear manufacturing. Product portfolio now centers on indoor vacuum circuit breakers and load switches.

2022

Global Expansion & OEM/ODM

Introduced an OEM/ODM manufacturing model, providing customized contract manufacturing to clients at home and abroad, with products exported to Southeast Asia, the Middle East, and Africa.

Today

Quality First, Innovation-Driven

Equipped with advanced production and testing facilities and a robust quality management system, serving power generation, industrial and mining, rail transit, and new energy sectors.

2012

Year of Establishment

14

+

Years of Experience

2000

+

Square Meters

17

+

Employees

4

+

R&D Personnel

FAQ

Frequently Asked Questions
Are you a trading company or a manufacturer?

We are a professional high-voltage electrical equipment manufacturer based in Yueqing, China, with a full in-house production chain covering R&D, manufacturing, and sales.

How many years has your company made this kind of equipment?

Founded in 2012, we have 14 years of industry experience. We started with high- and low-voltage electromagnetic coils and expanded into high-voltage switchgear manufacturing in 2014.

Which certificates do you have for your equipment?

We hold ISO 9001, ISO 14001, and ISO 45001 certifications with CNAS & IAF recognition, plus official type test reports for core products issued by national authoritative institutions.

What standards do your products comply with?

Our products meet GB standards and IEC 62271 international standards, compatible with most national grid specifications worldwide.

What is your main product range?

Our main products include vacuum circuit breakers, load break switches, disconnect switches, earthing switches, air circuit breakers, molded case circuit breakers, miniature circuit breakers, surge protective devices, electromagnetic coils and solenoids, and operating mechanism components.

Is OEM service acceptable?

Yes, we offer full OEM/ODM services with custom branding on nameplates, packaging, and manuals, and accept custom production based on your drawings and specifications.

What is your MOQ and delivery time?

Trial orders of 1 unit are acceptable for standard products, and OEM MOQ is flexible. Delivery time is 7-15 working days for standard products and 15-30 working days for custom OEM orders.

Which overseas markets do you support?

We mainly serve Southeast Asia, the Middle East, and Africa, and provide full customs documentation and logistics support for export.

Our Service

Customer-Centered Service System

With 14 years of experience in high-voltage electrical equipment, Dongfa has built a standardized service system covering pre-sales consultation, order fulfillment, and after-sales support, along with OEM private labeling and one-stop procurement for customers worldwide.

14
Years of Service Experience

Pre-Sales Service

  • Product Selection & Technical Consultation: recommendations based on application, voltage level, and technical requirements.
  • Customized Solutions: non-standard products produced per customer drawings and specifications.
  • Technical Documentation: drawings, test reports, and qualification documents provided promptly.

During-Sales Service

  • Full Order Tracking: dedicated contact, 10–15 days for standard products, 15–30 days for customized orders.
  • Standardized OEM Private Labeling: nameplates, body printing, packaging, and manuals customized per brand.
  • Pre-Shipment Inspection: 100% performance inspection with certificates of conformity provided.

After-Sales Service

  • Installation & Maintenance Guidance: remote support via images, documents, and video; on-site support available.
  • Product Warranty: free repair and spare parts replacement for non-human quality issues during warranty.
  • Efficient Issue Resolution: response within 24 hours, with adequate spare parts in stock.

One-Stop Procurement

Complete high-voltage switchgear and a wide range of electromagnetic coils can be ordered together with unified delivery and order management, simplifying procurement and improving efficiency.

Flexible Customization

Products can be customized by voltage level, installation dimensions, and performance parameters to adapt to various specialized application scenarios.

Our Certificate

Certified & Trusted
ISO 9001:2015 certificate No. 20225Q20217R0S issued by ZHEJIANG QUANPIN CERTIFICATION CO.,LTD. valid until 2028-03-11
ISO 45001:2018 certificate No. 20225S20109R0S issued by ZHEJIANG QUANPIN CERTIFICATION CO.,LTD. valid until 2028-03-11
ISO 14001:2015 certificate No. 20225E20109R0S issued by ZHEJIANG QUANPIN CERTIFICATION CO.,LTD. valid until 2028-03-11
Test Report No. 121383G-HV for outdoor high-voltage vacuum circuit breaker (ZW□-12/T630-20) issued by XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE CO., LTD
Test Report No. 121384G-HV for indoor high-voltage vacuum circuit breaker (ZN□(VS1)-12/T1250-31.5) issued by XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE CO., LTD
Trademark Registration Certificate No. 28596474 for
Test Report No. ZC80091125K004 for indoor high-voltage three-position vacuum circuit breaker (DFZ-12GD/630-25) issued by Gansu ZhongCe GuoXin Calibration and Testing Co., LTD

Product Applications

Reliable high-voltage solutions for power distribution, industrial, infrastructure and new energy projects

Urban and Rural Transmission and Distribution Networks

Our vacuum circuit breakers and load break switches ensure safe and reliable power distribution across urban and rural grids, supporting stable electricity supply and reducing outage risks.

Power Distribution for Industrial and Mining Enterprises

Rugged disconnect switches and switchgear components handle heavy loads and harsh environments in industrial and mining operations, ensuring continuous power for critical processes.

Electrical Infrastructure for Buildings and Municipal Projects

Compact and reliable circuit breakers for commercial buildings, hospitals, schools, and municipal facilities, providing safe electrical infrastructure for modern construction projects.

Transportation Infrastructure Projects

High-voltage solutions for railways, metros, tunnels, airports, and ports. Our vacuum circuit breakers ensure continuous power for critical transportation systems and signaling equipment.

New Energy Power Plants

Circuit breakers and switchgear designed for solar, wind, and energy storage plants, enabling efficient and safe renewable energy integration into modern power grids.

Complete Electrical Switchgear Systems

Full range of components for switchgear cabinets, including vacuum circuit breakers, load break switches, disconnect switches, and operating coils, supporting one-stop procurement.

東発インテリジェント 中国の電気製品メーカー
浙江東発智能電気技術有限公司

Zhejiang Dongfa Intelligent Electrical Technology Co., Ltd.は 2012 年に設立され、14 年の業界経験を持つ高電圧電気機器の研究開発、製造、販売を専門としています。中国浙江省温州市にある同社は、2,000 平方メートル以上の敷地面積を有し、研究開発および技術担当者 4 名を含む 17 名以上の従業員を擁しています。

同社は、2 つの専門的な生産ラインと 1 セットの試験装置を備えた標準化された生産ワークショップを運営し、コアコンポーネントから完全な電気機器まで統合された製造能力を提供しています。主な製品には、CD17、CD10、インターロッキングコイルなどの電磁部品や、FN25、FN12 ロードスイッチコイル、ZN7、ZK1、CKG4 コイル、屋内高圧真空遮断器、屋外高圧断路真空ロードスイッチ、屋内高圧ロードスイッチ、屋内および屋外の高電圧切断スイッチ。製品は 12kV、24kV、および 40.5kV の電圧レベルをカバーしており、顧客の図面、技術仕様、アプリケーション要件に基づいて OEM/ODM カスタマイズが可能です。

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