Quantum D C Public Company Limited operates food and beverage outlets in Thailand. It operates Suki Shabu restaurant under the HOTPOT BUFFET brand name and Korean style grilled buffet under the Daidomon Korea Grill brand. The company is also involved in the office building rental and hotel businesses. The company was formerly known as JCK Hospitality Public Company Limited and changed its name to Quantum D C Public Company Limited in November 2025. The company was incorporated in 2004 and is headquartered in Bangkok, Thailand.