according to statistics, in 1979, before, in the elevator of less than 10,000 units. by 2005, china's annual production of more than a third lift the world's total, becoming the world's largest elevator market. 2005 installation and acceptance elevator 124,465 units, with the total number of elevators has reached 651,794 units. in 2006, china's elevator production reached a record of 168,000 units, an increase of 24.4% over the previous year, so far, china has become the world's largest elevator market. the industry forecasts that china lift output growing at over 20% per year growth rate.