| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 840.82 | USD | 20250819 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1051.02 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1142.11 | USD | 20250819 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1135.11 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1163.13 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1177.15 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.94 | USD | 20250819 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |