Types of Early Inflatable castle is called the mound and the plate. Earth mound is built into the embankment, with a certain width and height, generally fifty feet high. Mound above may be building a large wooden tower, next to the wood enclosed mound, Xiangyang wedding arch, called the board built for protection □ warehouses, livestock fences and huts to live. Mound and plate built like an island, was excavated trench filled with water and surrounded Pingdingshan wedding arch by a bridge and a narrow steep trail to connect with each other. When in danger, if the defensive vain board building, then the defense force would retreat to change it inside. In the 11th century began to stone instead of mud and wood for building castles. Construction of embankment above the wooden tower, built by the change chunks of rock, which is called a shell fortifications fortress, Xinyang wedding arch, later developed into the tower or fortress. A stone wall surrounding the old board will be built and the fortress, and replaced by trench or moat surrounded by an additional set drawbridge and gate to guard the castle gates only. The basic model of the most famous fortress castle, the Tower of London, built by William the Conqueror. It Originally a square building, was painted white to attract attention, and later kings to see today on the walls of buildings and improved to enhance its size. Inflatable Professional Committee, hold high Marxism-Leninism, Mao Zedong Thought and the great banner of Deng Xiaoping Theory, the important thought of "Three Represents" as guidance, wedding arches, People's Republic of China to comply with the Constitution and laws, and regulations; through the market economy, China Inflatable boom industry, assist government departments to strengthen the gas-industry linkages, promote China's gas-industry rapid and healthy development. Wedding arches, Yong Xin inflatable inexpensive, Nanyang wedding arch provided by Yong Xin gas plant. Wedding arches, Yong Xin inflatable inexpensive, Nanyang wedding arch is Yongxin gas plant (www.yxqm.jqw.com/) this year introduced a new upgrade, the above picture is for reference only, please call or pictures on this page contact telephone number, to obtain the latest information, contact: Ma total.