http://pastport.jp/user/haoyun ja-JP Our self-owned Brown Fused Alumina plant has two fixed furnaces and two tilting furnaces, which can produce at least 8000MT ingots per month. https://www.hy-abrasives.com/ 2023-02-06T15:29:48+0900 http://pastport.jp/user/haoyun/timeline/haoyun haoyun http://pastport.jp/user/haoyun/timeline/haoyun