This paper focus on the concepts of Just-in-time, Toyota Production System (TPS) and Lean Operations are introduced and dealt with in-depth, Black (2004). The following key elements must be understood as Kaynak (2002) suggested, the origins of JIT in Japan and how it became a method of decreasing inventory levels, JIT has evolved into an extensive management philosophy. The main aim of JIT which is to generate a feasible competitive advantage by focusing on conveying superior performance of goods and services in terms of quality, service and cost. The aim of JIT philosophy which is constantly eliminating waste, production efficiency and quality of a product. The advantages of JIT when effectively executed and limitations of JIT in the supply chain.

The purpose of Toyota Production System which is to eradicate through developments activities of different kinds of waste lying concealed within an organization, Ohno (2013). How Toyota can make profits during a recession phase by lowering costs through a production system that removes excessive stock and workforce, Liker (2014). This literature examines the main objective of this production system and how it creates products, moreover in areas where Japanese transformation can be seen, Fullerton & McWatters (2004).

The production system is reviewed by demonstrating the main goals and ideas along with different methods and tools utilized for achieving them, Cheng & Podolsky (1993). Lean operations are about continuous improvement, it ensures that all aspects of the business are improved, by undertaking correct procedures and adhering to processes, Fujimoto (2012). Lean includes eradicating waste, adding value to products and services and reducing errors. The vital principles of system design, process models, and technology used to develop lean operations, Hou, Chan & Wang (2011).