Six Sigma To Improve The Mode Of Dmaic In Smes

6σis not a new theory, which created at the 20th century and kept on developing for more than 20 years. There have been many successful cases in foreign countries. Since some developed countries put 6σinto practice and got benefit successfully, more and more Asian countries including China become interested in it. In China, 6σis always accepted by eastern and coastal developed cities or those large-scale enterprises with certain experience of management. But DMAIC is seldom accepted by enterprises in western cities, especially in GUIZHOU province.For long-period quality management of enterprises in China, double-faced tactics is serious. That means decisions are stated in one way, but carried out in another way. It is important and valuable to apply a good module of quality improvement in enterprises, especially in middle-scale and small-scale enterprises. Recently, 6σis just publicized by more enterprises but there is only a few cases of dealing with problems according to DMAIC. At the same time, some enterprises that applying 6σpay much attention to its form and even misunderstand its real meaning. Due to limitation of resources and managing experiences for middle-scale and small-scale enterprises, it is difficult to apply 6σwidely. However, 6σespecially DMAIC is an effective and scientific way of quality improvement for middle-scale and small-scale enterprises as an advanced theory of quality management and test analysis etc. for global manufacturing industries.This article takes 6σquality improvement module DMAIC and related theories as guiding principle, start from analysis of market complaint for products of JY company. Find out main problems and determine range of item by analyzing data in cases. With help of measurement, analysis, improvement and control etc. combine theory and practice to express application of DMAIC in middle-scale and small-scale enterprises. It will be helpful for middle-scale and small-scale enterprises to apply advanced ways of quality management and improve quality of products.