HS Code: 28181090
Product Description: Other artifical corundum, whether or not chemically defined
Product Chinese description: 其他人造刚玉,不论是否已有化学定义
HS Code: 28182000
Product Description: Aluminium oxide, not artificial corundum
Product Chinese description: 氧化铝,但人造刚玉除外
HS Code: 28183000
Product Description: Aluminium hydroxide
Product Chinese description: 氢氧化铝
HS Code: 28191000
Product Description: Chromium trioxide
Product Chinese description: 三氧化铬
HS Code: 28199000
Product Description: Chromium oxides&hydroxides (excl. chromium trioxide)
Product Chinese description: 未列名铬的氧化物及氢氧化物
HS Code: 28201000
Product Description: Manganese dioxide
Product Chinese description: 二氧化锰
HS Code: 28209000
Product Description: Manganese oxides (excl. manganese dioxide)
Product Chinese description: 未列名锰的氧化物
HS Code: 28211000
Product Description: Iron oxides&hydroxides
Product Chinese description: 铁的氧化物及氢氧化物
HS Code: 28212000
Product Description: Earth colours, Fe2O3 wt≥70%
Product Chinese description: 土色料,按重量计三氧化二铁含量≥70%
HS Code: 28220010
Product Description: Cobalt tetroxide
Product Chinese description: 四氧化三钴