| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 443.73 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 445.34 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 438.14 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.89 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 438.11 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.98 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.88 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.69 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 437.56 | USD | 20251124 |