| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 296.27 | USD | 20251027 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 409.14 | USD | 20251027 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.13 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.97 | USD | 20251027 |
| China national standards | MT | 369.63 | USD | 20251027 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.03 | USD | 20251027 |