| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.54 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.97 | USD | 20250828 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 970.35 | USD | 20250827 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 871.91 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 1125.05 | USD | 20250827 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1096.92 | USD | 20250827 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 885.98 | USD | 20250827 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 969.26 | USD | 20250826 |