| Recent years, along with the reform development and opening up of the market economy, China’s stock market has become increasingly active. Related transaction has become an important component to adjust the Group’s profit and been the daily management of a company. Two economic fairs are bringing based on Related transaction, one is to reduce transaction costs, reduce uncertainty, diversify investment risks to the enterprise which could bring company a positive impact; the other is by non-profit trade, lead to excessive earnings management, against the interests of small investors and creditors, which causing investors to question the investigation and regulatory authorities, to bring a negative impact. Therefore, more and more related transactions valued by people, and worth in-depth study.In this paper, we found in the past eight year, for Aeolus Tyre Co., Ltd. There’re total of 366 related transactions, amounting to 25.719 billion yuan; purchase or sale of raw materials and commodities related transaction occurred totaling 63 classes, involving the transaction amount of 9.238 billion yuan; Financing Guarantee transactions totaling 213 classes, involving 15.177 billion yuan amount. This article focuses on these two types of comparability analysis; By comparing sales gross margin for four tire company, calculated the impact on related transactions for Aeolus Tyre Co., Ltd. in recent years is 1.892 billion yuan, affect rate of 7.83%. The author hopes to give investors a little inspiration through this study. |