| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1036.65 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.6 | USD | 20250820 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1092.68 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.53 | USD | 20250820 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1241.17 | USD | 20250820 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 910.89 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.06 | USD | 20250819 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.94 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1241.61 | USD | 20250819 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1165.94 | USD | 20250819 |