AP Oil International Ltd. is an investment holding company, which engages in the manufacture and sale of lubricating oils and fluids for industrial, automotive, and marine applications. It operates through the following business segments: Manufacturing, Trading, and Franchising. The Manufacturing segment manufactures a range of lubricating oils and fluids and specialty chemicals for industrial, automotive, and marine applications and provides blending services. The Trading segment focuses on the trades in base oil and additives and specialty chemicals. The Franchising segment includes trades in raw materials for products. The company was founded by Woon Chan Lau on December 24, 1975 and is headquartered in Singapore.