Zhengzhou Deyi Heavy Industrial Machinery Manufacturing Co., Ltd. was established in 1996 and is a leading heavy-industry machinery manufacturer in China. Nowadays, we specialize in the design, production and sales of AAC production line and aerated brick production line. Deyi is based in Zhengzhou City-China's Mechanical Engineering City. Here we have modern production base of 52,000 square meters, professional R&D institution and technology team, which makes our brand widely ...