| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 900.6 | USD | 20250906 |
| Shandong Fushengyong Trading Co., Ltd. | Industrial Grade | MT | 900.6 | USD | 20250906 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.31 | USD | 20250906 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.17 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.17 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.17 | USD | 20250905 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 647.3 | USD | 20250905 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 844.31 | USD | 20250905 |