CNTUS Co., Ltd. engages in the manufacture of mask and filter business. Its products include health care and medical masks, industrial masks, air cleaner filters, vacuum cleaner filters, cabin air filters, and heating, ventilation, and air conditioning (HVAC) filters. It operates through the following divisions: Air Solution Business, Water Solution Business, and Life Care Solution. The Air Solution Business division includes filters for air purifiers, vacuum cleaner filter, car air conditioning filter, health masks, industrial masks, and filter raw materials. The Water Solution Business division relates to filter shower, travel shower, sink filter faucet, washbasin filter faucet, and water filter raw materials. The Life Care Solution division focuses on virus care home appliances, virus care service, supercritical melting flash spinning nonwoven, biodegradable bioplastic material, medical PLLA material, and product development. The company was founded on May 27, 2003 and is headquartered in Busan, South Korea.