Shijiazhuang Zhongfeng Machinery Com., Ltd. was founded in 2002.The enterprise depends on the Chinese Academy of Science, the graduate student technology institute\\\'s technical support, which successively developed highly technical and highly automatic machinery. These including: The Paper Faced Gypsum Board Production Line, the Rock Wool Board Production Line, the Glass-magnesium Board Production Line, Gypsum Powder Production Line and the PVC coating...