Both in the Polish and global economy, many companies are looking for solutions and management methods that, with such high competition, will allow them to adapt to the changing conditions and increasingly demanding customers. Many companies, to meet their expectations, began to improve their processes, moving away from the conventional way of thinking for a new approach, and new management methods. The purpose of this article is to analyze the selected methods of the implemented production system, based on Lean Manufacturing principles, which is still evolving. The leitmotiv of this system is the elimination of all loss-making activities, finding the right solution and using the appropriate tools, as well as involvement of employees. The research was carried out on the case study referring to the corporation, which operates in the sanitary technology sector. The paper attempts to assess the scope of implementation of the individual Lean Manufacturing tools and their importance in the process of eliminating of various types of wastage.