| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 951.49 | USD | 20250728 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 699.62 | USD | 20250728 |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 686.09 | USD | 20250727 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 952.13 | USD | 20250727 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 952.13 | USD | 20250725 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 742.1 | USD | 20250725 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 812.11 | USD | 20250725 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 812.11 | USD | 20250725 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 812.11 | USD | 20250725 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 952.58 | USD | 20250724 |