| Vendor | Spec | Unit | Price | Currency | Date |
| 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 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.13 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 917.74 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 917.74 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 903.36 | USD | 20251124 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 903.36 | USD | 20251124 |