"Four Nine Solutions" is a "RF Solution Specialist" leading innovation in the semiconductor industry with outstanding technical capabilities and a spirit of challenge.

Our company achieves the highest quality through a 99.99% defect rate control. We provide technical solutions for electrical and electronic control devices, including RF Generators, RF Matchers, DC Power Supplies, Remote Plasma Sources, and ESC, which are essential devices to increase reaction rates and stability in deposition and etching processes such as PVD, CVD, PECVD, ALD, Wet/Dry Etching in semiconductor plasma equipment processes.

In order to maintain top-notch technical and quality competitiveness, our company constantly challenges itself through ongoing research, develops a variety of products including our proprietary brand RF Blocking Filter, and collaborates with academia and industry for national projects. We also manufacture special cables for semiconductors with high durability, utilizing our accumulated know-how.

With our exceptional technical expertise, we are a leading global company in the semiconductor industry, driving innovation across the entire semiconductor manufacturing process.