Abstract-The aims of this research is to apply, investigate the adoption of lean manufacturing in industrial systems especially the electronics industry and re-design this system according to the different concepts of lean manufacturing by elaborating a pull-oriented manufacturing system. This research was applied at the assembly line of Sunny Egypt Company for Electronics Industry which related to Union Air Group at Egypt. Cathode ray tube 14'' model television was selected from the products of the company for improvement. The Results acquired from this research showed that the application of lean manufacturing in industrial systems increases productivity, profit, improves quality, eliminates wastes, decreases cycle times, work in progress, inventory, raw materials, costs and number of worker. This research can be useful in developing a more generic approach to design lean environment.