Y2 Solution (와이투솔루션, formerly Yuyang D&U) is a company mainly engaged in the manufacture and sale of power supply equipment. It offers switching mode power supplies (SMPS) for liquid crystal display (LCD), light-emitting diode (LED), organic light-emitting diode (OLED), and ultra high definition television (UHD TV), as well as LED lighting products. The Chemical Wholesale segment operates a distribution business that mainly imports petrochemical intermediate raw materials and solvent cleaners. The company caters to industrial, energy, and other sectors.