![]() J-Solution J-Solution ((주)제이솔루션) is a company dedicated to the manufacturing of subsidiary equipment for semiconductor products. | ![]() SHELLBACK Semiconductor Technology SHELLBACK Semiconductor Technology (formerly known as RheTech, OEM Group East) is a provider of new and remanufactured semiconductor capital equipment and services. | ![]() SPP Technologies SPP Technologies (SPPテクノロジーズ株式会社) is a company engaged in the development, manufacture, repair, import, and sale of semiconductor devices and microelectromechanical systems (MEMS) manufacturing equipment. | |
Founding Date | Founding Date 2009 | Founding Date 1996 | Founding Date 2011 |
Type | Type Private | Type Private | Type Private |
Tags | |||
Locations | Locations Yongin-si, KR HQ | Locations Coopersburg, US HQ Yokohama, JP Nijmegen, NL Singapore, SG West Chester, US | Locations Chiyoda City, JP HQ Amagasaki, JP |
Employees | Employees 81 | Employees 1672% increase | Employees 18010% decrease |
Financial | |||
Net income | Net income ₩1.6b (FY, 2021) | Net income N/A | Net income (¥76m) (FY, 2025) |

SHELLBACK Semiconductor Technology (formerly known as RheTech, OEM Group East) is a provider of new and remanufactured semiconductor capital equipment and services.
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SPP Technologies (SPPテクノロジーズ株式会社) is a company engaged in the development, manufacture, repair, import, and sale of semiconductor devices and microelectromechanical systems (MEMS) manufacturing equipment.
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