Zhangjiagang Tianyuan Machinery manufacturer Co.,Ltd, established in 1998, now is professional manufacurer of heat treatment equipment and fireproof material. Because of high demand of fireproofing material in the heat treatment equipments, our company has researched and developmented a new fireproof product---Perlite Fireproof Door Core Board, mainly used as core of fire doors.
Currently, we can produce perlite fireproof door core board...
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