Shanghai Changwang Meteotech Co., Ltd signed a framework agreement to acquire Shaanxi Zhongtian Rocket Technologies Co., Ltd from Academy of Aerospace Solid Propulsion Technology in cash and stock on February 19, 2016. The Board of Y.U.D.Yangtze River Investment Industry Co.,Ltd, parent of Shanghai Changwang Meteotech Co., Ltd unanimously approved the transaction. Shanghai Changwang Meteotech Co., Ltd cancelled the acquisition of Shaanxi Zhongtian Rocket Technologies Co., Ltd from Academy of Aerospace Solid Propulsion Technology in cash and stock on February 19, 2017.