| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.9 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 761.58 | USD | 20251120 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 762.11 | USD | 20251118 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.22 | USD | 20251111 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 790.22 | USD | 20251111 |