Harbour Equine Holdings Limited, an investment holding company, manufactures, trades in, and sells sewing threads and garment accessories in the People's Republic of China, Hong Kong, Australia, Mauritius, the Middle East, and internationally. It operates through four segments: Manufacture and Selling of Sewing Threads; Interior Design and Decoration; Equine Services; and Advising on Securities, Corporate Finance and Asset Management. The company offers polyester sewing threads for garments; and sewing threads, such as textured polyester series, elastic filament sewing threads, and weft yarns. It also provides securities, interior design and decoration, furnishing, stallion, and equine handling services, as well as engages in fashion designing activities. In addition, the company trades in bloodstocks; and provides horse breeding, corporate financial advisory, and asset management services. It serves garment manufacturers and wholesalers. The company was formerly known as Shen You Holdings Limited. The company was founded in 1978 and is headquartered in Wan Chai, Hong Kong.