Winas Limited, formerly Sinwa Limited, is a Singapore-based marine, offshore supply and logistics company. The Company's is engaged in supplying wide range of ships’ stores and equipments to ships, oil rigs and their crew. Its operational segments include Ship supplies, Ship agency, Logistics and Warehousing, Offshore Support Services and Equipments. The Ship supply segment supplies deck stores, engine stores, electrical stores, safety equipment, general consumables and tools, and provisions and bonded stores. The General ship agency and logistics segment services ship owners, ship managers and oil rig operators in matters relating to their crew, vessels and oil rigs arriving at and departing from Singapore, as well as provides ship and rig owners with temporary and medium to long-term storage of goods and equipment, and trans-shipment and other logistics support. Its Offshore segment offers offshore support from the supply of provisions, stores and spare parts to engineering services.