Zhengzhou Dengfeng Smelting Materials Co., Ltd. (DFSM) , founded in 1986, mainly produces DUCK Brand series of Aluminate Cements (or named Refractory Cement, High Alumina Cement) & unshaped refractory Castables and Aluminate Cements specially used for Dry Mix Mortar. DFSM currently owns 5 production lines of rotary kiln and 2 production lines of electric furnace; annual output comes to more than 300000mt.
DFSM has passed ISO9001 accreditation of Quality Management System and ISO14001 ...
DFSM has passed ISO9001 accreditation of Quality Management System and ISO14001 ...




China