| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 932.81 | USD | 20251203 |