| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250919 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1363.74 | USD | 20250919 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 988.36 | USD | 20250919 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.75 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1364.56 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1287.19 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1287.19 | USD | 20250918 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1266.09 | USD | 20250918 |