Dongfeng Machinery Factory in Hebei Province Jinzhou City is an enterprise nominated as a Scientific and Technical enterprise by the Scientific and Technical Committee of Hebei Province. With the support of Chinese Academy of Science, we have researched and developed series of completes sets of equipment with advanced technology and high automatization. Especially the gypsum board production equipment, mineral wool soundproof board equipment and glass-magnesium board equipment meet with the demands of the middle-small enterprises. The gypsum board production equipment has gained the national patent (ZL01275860.4, ZL01275861.2, and ZL01275859.0), and assesses as [
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