GWIEC ELECTRIC - professional contactors and circuit breakers manufacturer with CE&CCC certification
Professional Manufacturing
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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
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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.
certification
  Applied for CE certification of more than 50 products
  Participated in more than 17 exhibitions at home and abroad
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  Countries and Regions

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

Our Exceptional Services

  • OEM/ODM
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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!
     
     
  • Sample Order
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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!
     
     
  • Factory Tour
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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!

GWIEC ELECTRIC - committed to quality products and premium service, leading electrical manufacturer for global market

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.
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The Future of GWIEC

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

Latest Blogs About GWIEC


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2026-05-01
DC Contactor Wiring And Polarity Basics for High-Voltage Applications

Switching alternating current (AC) and direct current (DC) presents vastly different engineering realities. AC circuits benefit from a natural zero-crossing point twice per cycle. DC lacks this natural zero-crossing point, making high-voltage arc extinguishing a primary technical challenge. When dea

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2026-05-06
How To Choose The Right Arc Suppression Method in A DC Contactor

AC circuits offer a natural zero-crossing point. DC circuits do not. They sustain high-energy arcs until manually stretched, cooled, or starved of energy. Inadequate arc suppression leads to severe consequences. You face rapid contact erosion, high-resistance welding, and thermal runaway. These issu

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2026-04-22
Sealed Vs Open DC Contactors: Which Design Fits Harsh Environments?

Defining electrical infrastructure for harsh environments carries high stakes. You must choose components carefully. Selecting the wrong DC contactor for high-voltage applications often leads to catastrophic failure. You might experience thermal runaway or face severe system downtime. We must first

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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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