SeoJin System provides world-class manufacturing, production and engineering design to a global market. Known for expertise i ... n 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. read more