| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1092.88 | USD | 20250815 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1092.88 | USD | 20250815 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1036.84 | USD | 20250815 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1120.9 | USD | 20250815 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1050.85 | USD | 20250815 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 981.26 | 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 |