It is jointly established by Zhongtian Northwest Group and Lanzhou Vanke Enterprise Co., Ltd. In 2019, Dongyue Machinery's 6.0m autoclaved aerated concrete equipment production line will be introduced, with an annual output value of 300000 m ³。 The company is committed to promoting the development of prefabricated buildings in northwest China, giving full play to the dual advantages of the Silk Road and the the Belt and Road, and driving the development of the construction industry along the line.