| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.16 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.56 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.01 | USD | 20250904 |
| Jiangsu Jurong Chemical Co., Ltd. | China national standards | MT | 914.82 | USD | 20250904 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1139.42 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1055.02 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 844.01 | USD | 20250902 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 787.74 | USD | 20250902 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 815.88 | USD | 20250902 |