| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.21 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.82 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.59 | USD | 20251029 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.97 | USD | 20251028 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.35 | USD | 20251028 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.49 | USD | 20251027 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1290.04 | USD | 20251024 |