| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 981.26 | USD | 20250814 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1051.35 | USD | 20250814 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1121.44 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1093.4 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1072.37 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1247.6 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1275.64 | USD | 20250814 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1100.41 | USD | 20250814 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1037.33 | USD | 20250814 |