| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 635.65 | USD | 20251202 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 635.96 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 749.02 | USD | 20251201 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 635.69 | USD | 20251129 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 748.7 | USD | 20251129 |