| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.64 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.64 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.75 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 741.75 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.38 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.38 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |