Magnetic Shield Magnetic Shield (formerly known as Perfection Mica Company) is a company that designs, manufactures, and supplies magnetic field shielding materials. | ![]() Dura Magnetics Dura Magnetic is a company that specializes in the manufacturing of magnetic alloys and magnetic assemblies. | ![]() Zhongwang Group Zhongwang Group (also known as China Zhongwang Holdings, 中国忠旺控股有限公司) is a company that develops and manufactures fabricated aluminum products. | ||
Founding Date | Founding Date 1941 | Founding Date 1961 | Founding Date 1967 | Founding Date 1993 |
Type | Type Private | Type Private | Type Public | Type Subsidiary |
Tags | ||||
Locations | Locations Bensenville, US HQ | Locations Sylvania, US HQ | Locations Pohang, KR HQ Salta, AR Auderghem, BE Rio De Janeiro, BR Vancouver, CA Beijing, CN Chengdu, CN see more | Locations Hong Kong, HK HQ Liaoyang City, CN |
Employees | Employees 157% increase | Employees 18 | Employees 5071% decrease | Employees 37,849 |
Operating ⚠ | ||||
Types of Materials Used | Types of Materials Used 5 (Apr, 2024) | Types of Materials Used 7 (Nov, 2022) | Types of Materials Used N/A | Types of Materials Used N/A |

Dura Magnetic is a company that specializes in the manufacturing of magnetic alloys and magnetic assemblies.
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POSCO Holdings (포스코홀딩스 주식회사) is a company that manufactures steel products.
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Zhongwang Group (also known as China Zhongwang Holdings, 中国忠旺控股有限公司) is a company that develops and manufactures fabricated aluminum products.
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