| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 925.49 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.49 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 925.49 | USD | 20251209 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1271.67 | USD | 20251209 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.34 | USD | 20251209 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 1003.21 | USD | 20251209 |