Hs Optimus Holdings Ltd., formerly KLW Holdings Ltd., is an investment holding company. The Company's businesses include door manufacturing and distribution, and property investments and developments. The Company operates through three segments: Investment, Door business and Property business. The Investment segment relates to investment holding companies. The Door business segment relates to manufacture and distribution of doors, furniture and fittings, wood-related products, and supply and installation of doors and wood-based flooring. The Property business segment relates to rental of premises or property and property development. The Company's operations in Singapore/Australia include import and distribution of locksets ironmongeries, and investment property. The Company’s subsidiaries are Ambertree Vic-Mel (Flinders) Pty Ltd, Ambertree Vic Mel (Lincoln) Pty Ltd, KLW Resources Sdn Bhd and Ambertree Pte. Ltd.