NPX Inc. manufactures and sells semiconductor substrate inspection and factory automation machines in Korea and internationally. Its products include FPCB inspection machine, Package PCB inspection machine, HDI PCB inspection machine, and FC-BGA products. The company was formerly known as Bioptro Inc. and changed its name to NPX Inc. in December 2023. The company was founded in 2000 and is headquartered in Yongin, South Korea.