| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.07 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.07 | USD | 20251021 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.63 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.63 | USD | 20251020 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.87 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.87 | USD | 20251017 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.68 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.68 | USD | 20251016 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 718.36 | USD | 20251015 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 718.36 | USD | 20251015 |