GWIEC ELECTRIC - professional contactors and circuit breakers manufacturer with CE&CCC certification
Professional Manufacturing
Contactors, circuit breakers, thermal overload relays and magnetic starters. All of the products have acquired International Production License
GWIEC ELECTRIC - professional low voltage electrical products design and manufacturing supplier with global distribution
LOW-VOLTAGE ELECTRIC PRODUCTS
✔ Design ✔ Manufacturing ✔ Distribution
GWIEC ELECTRIC - R&D and manufacturing of contactors, thermal relays, magnetic starters and voltage regulators
Contactors   Thermal Overload Relays   Magnetic Starters   Voltage Regulators

High-End Contactor & Circuit Breaker

  An advanced Circuit Breaker Manufacturer

About GWIEC

Greenwich International Electric Corp ("GWIEC" for short) contributes herself to Low Carbon and Green energy industry. Based on the spirit of "Honesty, Mastery, Humanity", GWIEC relies on the dedicated work of her staff, and powerful innovation capability and High-tech production ability, she becomes to be a leading manufacturer in developing, producing and marketing about Polycrystalline silicon and Mono crystalline silicon solar cells, residential and industry grade electrical products.
  Applied for CE certification of more than 50 products
  Participated in more than 17 exhibitions at home and abroad
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Professional Solutions About Contactor

We are pleased to share with you a successful case of our dual power supply products in Turkey.

  Dual Power Supply Products
  Automatically Switch To Backup Power
  Reduces Losses Due To Power Failures

Our Exceptional Services

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    If you ...
     
    1. Are looking for OEM/ODM manufacturers in this industry.

    2. Need someone that can produce what you want and have a custom design printed to your specification.

    Then our OEM/ODM service is for you!
     
     
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    If you ...
     
    1. Want to purchase a sample order first.

    2. Purchase a full order after validating the product quality.

    Then our Sample Order service is for you!
     
     
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    If you ...
     
    1. Would like more information about our company.

    2. Would like to visit China and are interested in working with us.

    Then our Factory Tour service is for you!
     
     

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

The Future of GWIEC

GWIEC ELECTRIC follows its "Quality comes first, service comes paramount" spirit, greeting the world through its high quality products and considerate services.
Drop Us A Line

The Future of GWIEC

Vertical Integration
The the Belt and Road Promotes Globalization
Transition From Low Pressure to Medium High Pressure
Maker-Oriented and Innovation-Driven
Digital, Networked, Intelligent and Connected
The fourth generation of Low-Boltage Electrical Appliances Will Become Mmainstream
Product Technology and Performance Development Trends
Green Revolution
Development Direction of Quality Standards for Low-Voltage Electrical Appliances
Market Reshuffle

Latest Blogs About GWIEC


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2026-04-28
Common Causes Of Nuisance Tripping In Thermal Overload Relays

Diagnose and resolve nuisance tripping in thermal overload relays. Learn root causes, VFD harmonics, and how to optimize motor protection.

View More
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2026-04-30
Fixed Vs Automatic Power Factor Correction: Where Capacitor Contactors Fit Best

Compare fixed vs. automatic power factor correction (APFC). Learn how to choose the right system, select contactors, and avoid harmonic risks.

View More
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2026-05-25
Capacitor Contactor Vs Standard Contactor: What Makes Them Different?

Learn why standard contactors fail in capacitor banks and how AC-6b capacitor contactors prevent contact welding and ensure system safety.

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QUICK LINKS

PRODUCTS

CONTACT

 info@greenwich.com.cn
 +86-577-62713996
 Jinsihe Village, Liushi Town, Yueqing, Zhejiang, China
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