| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.73 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1252.53 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.68 | USD | 20250915 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.76 | USD | 20250915 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1041.43 | USD | 20250915 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 999.21 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1055.51 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.87 | USD | 20250915 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1126.46 | USD | 20250913 |