| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.16 | USD | 20250905 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.16 | USD | 20250905 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.86 | USD | 20250904 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.86 | USD | 20250904 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.57 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.57 | USD | 20250902 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 703.34 | USD | 20250902 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 703.34 | USD | 20250902 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 773.86 | USD | 20250901 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.53 | USD | 20250901 |