| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 869.02 | USD | 20250807 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1093.28 | USD | 20250807 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 868.24 | USD | 20250806 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 966.26 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.24 | USD | 20250806 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 882.24 | USD | 20250806 |