Tse Sui Luen Jewellery (International) Limited, an investment holding company, manufactures, sells, and markets jewelry products in Hong Kong, Macau, Mainland China, Malaysia, and other countries. It operates through Retail Business, Wholesale Business, E-Business, and Other Businesses segments. The company is also involved in the retail, wholesale, trading, and franchising of jewelry; sells jewelry products through e-commerce platforms; property holding and investment businesses; trademarks holding and investment; and management and administrative services, as well as logistic and supply chain management activities.

It operates approximately 480 jewelry boutiques. The company was founded in 1960 and is headquartered in Hung Hom, Hong Kong. Tse Sui Luen Jewellery (International) Limited operates as a subsidiary of Partner Logistics Limited.