| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.72 | USD | 20251107 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1369.36 | USD | 20251107 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 988.2 | USD | 20251107 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.8 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1291.19 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1290.53 | USD | 20251105 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.1 | USD | 20251105 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.41 | USD | 20251104 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1290.82 | USD | 20251104 |