Improvement the efficiency of a factory is the main target of the CEO & the managers. By using Industrial Engineering Techniques in collecting and analysing the data you can find the problems that you face at your company, this problems lead to reduce the production efficiency of the factory such as increasing the waste time, bad quality of products, increasing the cycle time of the product, fail of achieving production orders, increasing the lead time of suppliers. Also you may find ergonomics problem & Material Handling problem. A lot of problems you can find but by using the Industrial Engineering Techniques to find the best & optimum solution of the problem, you can then fix all your problem and increase the efficiency of your company. By increasing the efficiency of the company, you will increase your profit & productivity. Finally Industrial Engineering is the best solution to fix any problem at any company because it link between the Economy, Cost & Quality.