| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 833.46 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 833.58 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 833.38 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 833.03 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.67 | USD | 20251124 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251122 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.34 | USD | 20251121 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.0 | USD | 20251120 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.38 | USD | 20251119 |