| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.29 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.29 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.47 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.73 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.47 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.69 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.34 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 323.54 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.34 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.55 | USD | 20250929 |