SeoJin System

Leading provider of premium metal housings and enclosures since 1996.

SeoJin System provides world-class manufacturing, production and engineering design to a global market. Known for expertise in die casting, precision machining, plastic mold injection, sheet metal fabrication, electronic assembly and custom design, SeoJin System is a trusted supplier to leading mobile communications and automotive equipment manufacturers.

In-house production capability is a SeoJin key strength. Spacious facilities with state-of-the-art production equipment enable process completion in-house with benefits of lower production cost, reduced lead times, strict quality control and transportation reduction.

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Our Services

From design to delivery … high mix, low volume or low mix high volume …
SeoJin System has the solution.

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Die Casting

With 45 high pressure die casting machines from 130 tons to 3500 tons, SeoJin is able to accommodate large production orders in-house with industry-leading capacity and quality.

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Precision Machining

Highly skilled and knowledgeable machinists operate SeoJin’s 980 high precision NCT machines to create application components from aluminum, titanium or any exotic metal to meet the customers' requirements and schedule.

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Complete Manufacturing Services

SeoJin's in-house capabilities include:

  • Plastic mold injection
  • Sheet metal fabrication
  • OEM/ODM production (system integration and PCB assembly services)
  • Surface treatment and specialized plating
  • Powder coating
  • Analysis and testing
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Looking for the Best Manufacturing Solution for your Project?

Recent Projects

SeoJin System has a proven track record of manufacturing excellence. Our recent projects include collaborations with key telecom and automotive equipment providers.

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Our Facilities

SeoJin System is based in Korea, with headquarters in Bucheon. A second location in Vietnam is our manufacturing flagship: a huge production facility with more than 120,000 sq meters of production space, equivalent to about 21 football fields.

These facilities add up to industry-leading production capability. Processes include: die casting, processing, assembly, sheet metal fabrication, injection molding, AMP, filter processing, stamping and plating.

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Serving the Telecom Industry

The telecom industry has been experiencing rapid growth in recent years. Telecom equipment companies have turned to SeoJin System for reliable, cost-sensitive manufacturing solutions that allow them to compete in a global market. From cell phone cases to cell tower equipment cabinets, SeoJin delivers solutions.

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Serving the Automotive Industry

For automotive manufacturers , SeoJin's ability to complete processes in-house is an important factor. From CNC precision machining to die casting, and even producing aluminum ingots, our massive manufacturing facility and extensive production expertise enables new automotive technology and design.

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Serving the Lighting Industry

Industrial outdoor lighting requires fixtures that stand up to environmental extremes, precipitation and corrosion with little maintenance. Quality control is key to ensuring long-term, problem-free operation.

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Our Trusted

SeoJin System is dedicated to serving our clients with the highest levels of quality and commitment.