| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1253.15 | USD | 20251014 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1253.4 | USD | 20251013 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251011 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1252.67 | USD | 20251010 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.72 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.72 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1252.55 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.95 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1251.95 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1250.84 | USD | 20250928 |