| 存货结构 | 2019/6/30 | 占比 | 2018/6/30 | 占比 | 2017/6/30 | 占比 |
| 原材料 | 8,438,705,714 | 36.94% | 7,195,859,933 | 38.03% | 6,841,851,229 | 41.30% |
| 在产品 | 8,636,619,557 | 37.81% | 5,386,555,553 | 28.47% | 4,676,873,839 | 28.23% |
| 库存商品 | 5,769,150,075 | 25.25% | 6,338,195,507 | 33.50% | 5,047,560,867 | 30.47% |
| 总额 | 22,844,475,346 | 100.00% | 18,920,610,993 | 100.00% | 16,566,285,935 | 100.00% |