| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 752.62 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 752.62 | USD | 20251211 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.91 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.91 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.7 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.7 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.79 | USD | 20251208 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 751.79 | 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 |