Foreign markets: overall trends in the market to grow steadily active in the overseas markets in recent years, and competition is fierce. North American market trade between the European Union and other developed countries continued on an upturn, Germany, and Italy, and Japan, China and other countries and regions, export expansion, United States and the United Kingdom, and France and other countries import growth, formed the international fencing boom support. Middle East, South-East Asian countries are at a stage of rapid development of the economy, while population growth and urbanization continue to accelerate, including residential, business, shopping, leisure, entertainment and many other types of buildings produced a huge demand. All major cities have carried out extensive renovation of urbanization in recent years, providing local people with more housing, shopping malls and other facilities. In Viet Nam, for example, since the mid 90, Viet Nam economy gradually entered a rapid growth track, 8% average annual economic growth rate. According to Viet Nam relating to sectoral statistics, in recent years, Viet Nam and for the infrastructure construction investment is expected to rise to 16%, 2010 Viet Nam on infrastructure and construction investment is approximately $ 32 billion.