Research On Analysis And Application Of After-sales Quality Data Of KT Company Products

Quality management is one of the most important factors of the survival and development of an enterprise.The competitiveness of the enterprise is directly impacted by product quality control level,and the customer satisfaction and market share of the product is directly impacted by after-sales quality of products.Therefore,how to improve the quality management level and the product quality is one of the most important tasks for an enterprise.Research on product after-sales quality is a important part of the quality management research.With the continuous development of informatization and digitalization,more and more data are accumulated in enterprise operations.In addition to financial data and procurement data,the data generated by production processes and product quality are increasingly valued by manufacturing companies.How to make use of data for enterprise management is a new topic for enterprise managers.Construction machinery is an important category of industry,and construction machinery products are the guarantee and base for the country's infrastructure construction.At the same time,the construction machinery industry is facing fierce market competition and gradually saturated end markets.Therefore,how to improve product quality is a key problem that engineering machinery enterprises must face.While establishing a quality management system,more and more construction machinery companies hope to improve product quality and expand market share by analyzing after-sales quality data of product.KT Xuzhou Company is a construction machinery company that produces all types of hydraulic excavators.In the process of solving after-sales quality problems,KT Xuzhou Company used a strong agent service system and a comprehensive data collection system to collect a large amount of early after-sales quality data.In this article,KT company's quality management system is introduced firstly,then the after-sales quality management process of KT company is analyzed.It is found that the product after-sales data was not analyzed insufficiently,and the results are not fully utilized.In order to resolve the above problems,KT Xuzhou company's early product after-sales quality data is imported into the advanced visual data analysis tool Power BI and deeply analyzed and visualized.It is also studied that how to visualize in real time and communicate the data analysis results with management and all the employees.The conclusion of this research is that the product after-sales quality data could be analyzed to help to know the product quality performance,the trend of product defect rates.The product's quality performance with different types and different supplier parts can be analyzed.The management of KT Xuzhou company could find the opportunities of quality improvement and make accurate quality management decisions through realtime quality performance analysis and visualization.The employees' quality awareness could also be improved,and the quality management system could be optimized.