| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.82 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.95 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 734.74 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |