| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.4 | USD | 20250828 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.83 | USD | 20250828 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.04 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 788.03 | USD | 20250828 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 816.18 | USD | 20250828 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 914.1 | USD | 20250827 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.11 | USD | 20250827 |