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About Us

For the Better Life!!

SUNJIN ELECTRO impresses customers.

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GTM Hermetic seals
SUNJIN ELECTRO develops, manufactures, and supplies base parts in various fields that require high reliability by applying GTM Hermetic seals technology

GTM Hermetic seals
Housing, glass, and terminal materials with stable thermal expansion are used to form a hermetic seal. Perfect hermetic seals are formed by a chemical bond between an oxide on the metal parts and the glass.

GTM Hermetic seals
have been applied to various equipment for different fields, including semiconductor lasers or vehicle-mounted sensors, communication equipment, transport vehicles, vessels, railroads, airplane-related equipment, industrial machineries, machine tools, measuring instruments, medical devices, nuclear equipment, and electrical and electronic apparatus connections for aerospace that require high reliability, because they have high airtightness and excellent electrical properties.

SUNJIN ELECTRO offers management convenience to customers with a one-stop service that provides in-house solutions from the design to the manufacturing of molds and products. The best engineers from each specialized field offer quick solutions to problems with responsible management. The company develops new products and supplies stable-quality products in various categories at competitive prices in a shortened delivery time.

Thank you.