About Centersky
Centersky is a global professional electrical steel sheet manufacturing leader, specialized in the production of a variety of standard and non-standard series EI lamination, three-phase core, core ballasts, TL core series and a variety of reactor core products, widely for electronic transformers, power transformers, sensors, voltage regulator, computer power,leakage protection switch, welding machine,magnetic amplifiers, reactor, and instrumentation industries.
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EI laminations are one of the most popular design types for manufacturing single phase transformers. The simple, single coil layout (sometimes referred to as a “shell type” transformer) offers a cost effective method for producing a wide variety of transformers. These range from small PCB mounted units through to much larger types that may be found in control panels or stand alone enclosures.
Global Customers
CENTERSKY PROVIDES WORLD- CLASS QUALITY SILICON STEEL SHEET THAT’S DESIGNED FOR VERY SPECIFIC APPLICATIONS, FROM TRANSFORMER AND BALLAST RESISTOR TO HIGH- END APPLIANCES AND MORE.

NEWS
Centersky is a global professional electrica steel sheet manufacture.

Electrical Steel Sheet: The Unsung Hero of Modern Electromagnetism
Electrical steel sheet, also known as silicon steel, stands as a cornerstone material in the realm of electrical engineering, playing a pivotal role in the
July 9, 2025

EI Lamination: Core of Electrical Efficiency
EI laminations, named for their “E” and “I” shapes, are vital in electromagnetic devices for optimizing magnetic flux and energy transfer. Crafted from 0.35–0.5 mm
June 26, 2025

Electrical Steel Laminations Manufacturers: Powering the Electrical World
Electrical steel laminations are the unsung heroes in the world of electrical engineering. These thin sheets of specialized steel play a pivotal role in transformers,
June 11, 2025