AP Oil International Ltd is an investment holding company. The group operates its business through two main segments, namely Manufacturing and Trading. The manufacturing segment includes the manufacturing of a range of lubricating oil and specialty chemicals for industrial, automotive, and marine applications, as well as the provision of oil blending services and the rental of cleaning equipment to its customers. The trading segment trades in base oil and additives and specialty chemicals. Its geographical segments are Singapore, Southeast Asia, the Middle East, the Indian subcontinent, and Other regions.