| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 952.83 | USD | 20250805 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 952.45 | USD | 20250804 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 742.35 | USD | 20250804 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 812.38 | USD | 20250804 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 951.1 | USD | 20250801 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 811.23 | USD | 20250801 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 811.23 | USD | 20250801 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 741.3 | USD | 20250801 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 951.13 | USD | 20250731 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 741.32 | USD | 20250731 |