| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.2 | USD | 20251031 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251031 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 416.2 | USD | 20251031 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.71 | USD | 20251031 |
| China national standards | MT | 296.34 | USD | 20251030 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251030 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.8 | USD | 20251030 |
| China national standards | MT | 409.23 | USD | 20251030 | |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.29 | USD | 20251030 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.21 | USD | 20251030 |