... hole cones: large, medium, small Ceramic Filter Plate for aluminium casting machine Ceramic foam filters are made from ceramic corundum with excellent ... ., Ltd3,Changsha Hengjia Aluminum Co., Ltd4,Zhejiang Zhongya Aluminium Co., Ltd5,Luoyang Wanji Special Aluminium Alloy Co., Ltd6,Zhejiang Dingfeng Aluminum Co ...