Rnt-X Co.,Ltd., together with its subsidiaries, provides image sensor packaging and testing solutions in South Korea, Taiwan, China, Germany, and internationally. It operates in three segments: Image Sensor, Automobile Parts, and Mobile Phone Parts. The company offers NeoPac, a photo sensor chip scale package for application in image sensors. It also develops and sells semiconductor chips for image sensors. In addition, the company provides air conditioning parts for automobiles, as well as painting services for mobile phone parts. It serves IC, module, and set makers. The company was formerly known as iWin Plus Co., Ltd and changed its name to Rnt-X Co.,Ltd. in February 2026. Rnt-X Co.,Ltd. was founded in 2003 and is headquartered in Cheongju-si, South Korea.