航民股份：公司库存主要是黄金、染料助剂和煤炭

Group 1 - The core viewpoint of the article is that Hangmin Co., Ltd. has a significant inventory consisting mainly of gold, dye additives, and coal, with gold being the largest component [2] Group 2 - The company indicated that its inventory primarily includes gold, dye additives, and coal [2] - Among these, gold stock accounts for the largest share of the total inventory [2]