company profit reports At this year's Shanghai international wine and spirits trade exhibition, we found more and more Brazilian exhibitors. It is believed that with the deepening of china-pakistan economic and trade relations, Brazilian wines can make a big difference in the Chinese market. Late last year, as Brazil's wine industry "leader" of the aurora winery has completed a total for the Chinese as much as 2.16 million barrels of wine export agreement, broke the single export record the wine industry in Brazil, which may be the trend of arguments. The earliest efforts were made in the areas of canning, Alexandria, munez and spaurous. There is no risk of this arbitrage. Range and once the two currencies yield, the yield of arbitrage mechanism will make two currencies are equal, that is, different interest rates in the currency of the country there is inherently a trend towards an equalization and trend, it is the interest rate index key aspects of the impact of foreign exchange to, also is our interpretation and grasp the key interest rate index. The basic economic unit of society in the primitive society of the clan, tribe, slave owners in the slave society, feudal society's family and the manual workshop, after the evolution of the form of this modern form in a capitalist society was born enterprise. The level of productivity of society determines the organizational form of social basic economic units. Enterprise is the result of the development of social productive forces to a certain level, which is the product of commodity production and exchange of goods.