Study The Internal Controlling System Of Purchases And Sales Cycles Of Chongqing Nantong Coal Mine Co, Ltd

The internal controlling is generated and developed along with strengthening of corporate internal management and satisfying social requirements. It is a system of self-checked, self-adjusted and self-constrained . It is the product of development of economy and social progress. It is essential part of company management and the effective tool of internal management. It is a self-warned and self-maintained system. It can rationally ensure that the company be managed and operated well, financial reports and other information be prepared and provided reliably and trust ably, the company's assets be protected safely and completely. It can ensure the relevant laws, regulations and policies to be enforced. Also, it can help the company to achieve its ultimate goals.The concept of internal controlling was formed in the 20th century. It was developed in three phases: from internal containing to internal accounting controlling and internal management to internal controlling structure and internal controlling integrated framework. There were three popular internal controlling system modes in the world. They were COSO from the USA, Cadbury report from the UK and COCO from the Canada. Among these modes the COSO from the USA was the most remarkable and acceptable.The paper adopts many new concepts and advanced ideas from COSO report and subjects such as accounting, financial management and auditing. The paper try to identify, analyze and solve problems existing in current purchase and sales cycle from view of five aspects such as controlling environment, risk revaluating, controlling activities, information and communication and supervision based on both combination of theory and cases and combination of quantitative analysis and qualitative analysis. Finally, the paper tries to find and offer some new ideas to build up leak, save energy, boost efficiency and to achieve strategic targets of Chongqing Nantong Coal Mine Co, Ltd.The paper is consisted of five parts. The first part: to bring forward the thesis and describe the goal, role and technical route of study of the subject; the second part: to introduce the content of COSO and role of internal controlling; the third part: to describe and analyze current operation of internal controlling system of Chongqing Nantong Coal Mine Co, Ltd and this company's purchase branth and sale branth; the fourth part: to bring forward new idea and concept to improve internal controlling system of purchases and sales branch of Chongqing Nantong Coal Mine Co, Ltd ; The last part: to offer several suggestions to improve internal controlling of Chongqing Nantong Coal Mine Co, Ltd.