Shandong dongyue building machine Co., LTD.，established in 1994, one of China's earliest enterprices which is spcialized in manufacturing baking-free brick machine, hollow brick machine, aerated concrete machine. Which is located in zhuanbu industrial zone,yinan county, with area of 60,000 square meters, owning fixed assets 90 million and 120 high-tech engineers of construction machinery, with lots of confidential processing ...