| China is as a rapidly rising industrial power,energy supply is crucial for the country.But the environmental pressure makes the domestic demand for clean energy expand,and natural gas is an important part of clean energy.Natural gas transmission carrier is mainly natural gas pipeline,so as a natural gas pipeline construction company,its importance is self-evident.As the basis and premise of the company’s growth,profit is the basis and power of its development.This thesis is divided into six parts.The first part is the introduction,which introduces the research background and significance,summarizes and evaluates the literature at home and abroad,and then shows the research ideas and methods.The second part mainly expounds the theoretical basis and concept of Du Pont analysis system for the analysis of corporate profitability.The third part introduces the basic situation of SD Company,and makes a general comparative analysis of its profit indicators.The fourth part is based on the improved Du Pont analysis method to analyse SD Company deeply,at the same time,comparing with the average level of the same industry,and then finds out the influencing factors of SD Company’s profitability and makes a summary.The fifth part is about how to improve the profitability of SD Company.The sixth part is the conclusion and Prospect of this thesis.This thesis selects a local state-owned natural gas pipeline company SD Natural Gas Pipeline Co.,Ltd.(hereinafter referred to as SD Company)as the research object,In this thesis,Du Pont analysis method is selected to comprehensively analyze and evaluate its profitability.According to some characteristics of natural gas pipeline company,some improvements have been made to the traditional Du Pont analysis method,then based on the improved Du Pont analysis system to analyze and evaluate its profitability.In the process of analysis,the methods of continuous substitution and trend analysis are used.Through horizontal and vertical comparative analysis of SD Company’s indicators,finding that SD Company has problems of low utilization of financial leverage and low asset turnover rate.In view of these problems,it provides relevant suggestions for the company to improve its management and profitability.At present,there are few related documents at home and abroad that involve the analysis of natural gas pipeline enterprises using Du Pont analysis system,So this article also has the enlightenment significance for other related enterprises in the same industry. |