| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.16 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.28 | USD | 20251202 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.74 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.61 | USD | 20251201 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |