Kingdom Holdings Limited (0528.HK) is an investment holding company principally engaged in the manufacture and sale of linen yarns in Mainland China, the European Union, and internationally; its core products include classic wet-spun linen yarn, semi-wet-spun linen yarn, REEL linen yarn, organic linen yarn under the Black Land brand, classic wet-spun fiber hemp yarn, semi-wet-spun fiber hemp yarn, and organic fiber hemp yarn, with additional activities in trading, sale of industrial hemp, and manufacture and sale of fabrics targeting apparel and textile markets. Founded in 1978 and headquartered in Haiyan, Zhejiang Province, People's Republic of China, the company operates production facilities in China and exports to key markets including Italy, India, Turkey, Portugal, and Bangladesh. In recent developments, Kingdom Holdings appointed new directors in 2024 including Zhong Ren and Chan Zhang as executive and independent non-executive directors respectively, alongside Lei Fan and Martin Ngan, reflecting board refreshment amid ongoing focus on sustainable and organic yarn production, including carbon neutrality achieved in 2021 and REEL linen offerings compliant with traceability standards.