As an international construction project style, yy易游体育 has been developed in western countries for over 100 years. Recently, the proportion of yy易游体育 in construction market is rising sharply. With the economical globalization and the entrance of WTO, pushing yy易游体育 style to China’s construction field is a must. Since 2007, China Haisum has been put emphasize on developing the yy易游体育 business. The ratio of yy易游体育 in total businesses of Haisum is keeping double-digital- increasing for several years. Plus, Haisum owns a troop for yy易游体育, mainly due to the oversea yy易游体育 projects did recent years. In 2010, yy易游体育 is undoubtedly the core business of Haisum, three-fifths of its annual revenue. Haisum is marching for the higher goal of the China and world’s yy易游体育 market.