Regal Holding Co., Ltd. designs, manufactures, and sells jewelry and precious metal jewelry; wholesales diamonds; and engages in international trade. The company offers a range of products including pendants, rings, bracelets, earrings, necklaces, cufflinks, pins, beads, silvers, wristbands, and accessories made from materials such as 925 sterling silver and 9K to 24K gold. It operates production facilities in Thailand and serves customers in the United States, France, the United Kingdom, Canada, Australia, and other international markets. Founded in 1989 as Regal Co., Ltd. in Thailand and restructured as a Cayman Islands holding company in 2014, Regal Holding lists its shares on the Taiwan Stock Exchange's emerging market under ticker 4807 since June 2017 and maintains its headquarters in Grand Cayman with an operational address in Taipei, Taiwan. The company continues to focus on research and development, production enhancements, and certifications including ISO 9001, Thailand Green Business, and social compliance standards, while reporting recent financial results such as third quarter 2025 earnings with EPS of NT$0.57.