| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.3 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.59 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.96 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.58 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.68 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.38 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |