| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1166.08 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1093.2 | USD | 20250813 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 967.06 | USD | 20250813 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1037.14 | USD | 20250813 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1164.97 | USD | 20250812 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1240.58 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1092.16 | USD | 20250812 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1036.15 | USD | 20250812 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 910.13 | USD | 20250812 |