... Tolerance: <=1100 centigrade degree Aluminum Filter Box The filter box purifiies the liquid aluminum to achieve high quality products. ... Classical customers:1,Alnan aluminum CO., Ltd2,Jiangxi Longxiang Aluminum Co., Ltd3,Changsha Hengjia Aluminum Co., Ltd4,Zhejiang Zhongya ... Alloy Co., Ltd 6,Zhejiang Dingfeng Aluminum Co., Ltd7,Wujiang Longma Aluminum Co., Ltd8,Interthai Manufacturing Co., Ltd ...