Six sigma metod in the selling process in a service business which gives service and sells spare part and an application

The companies get their share as the life conditions change day by day with the globalization of the world. Nowadays, competition is an inevitable event. Formation of the cut-throat competition may be thought as a life-and-dead struggle for the companies. In consequence, every company who wish to maintain its presence successfully, should do responsibities in this battle.With each passing day, customer?s demand and expectations increase. Today, customers want their expectations got over. Continuously growing competition and changing customer demands obligate businesses to be in a continually improving, customer focused and flexible structre. The main aim of the businesses is to form customer focused, profit deriving, effectively source utilizing process and manage them in the best way.Six sigma is an approach which provide improvement of the processes by decreasing variability in the process, improve production quality by reducing defect ratio and consequently improve customer satisfaction and increase profits. It takes the data as base line and uses statistics in performing those tasks. Although six sigma has been applied in the production process in the beginning, it has been applied in the other processes rather than production later and it achieved great success.This study consists of four sections. Six sigma concept, structure and stages of the organization, statistical tecniques used in six sigma, relation between service business and six sigma is defined in the first section. In the second section of the study, marketting, selling, service and spare part concepts are discussed and the association of six sigm awith the sellin process is implemented. The third part of the study is the application stage and here the application of the six sigma method in a service business which gives service facility and sells spare parts is discussed and the results of the study are determined.Key words: Six Sigma, Service Business, Sale, Service, Spare Part