| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251031 |
| China national standards | MT | 296.28 | USD | 20251031 | |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.71 | USD | 20251031 |
| China national standards | MT | 338.6 | USD | 20251031 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 338.6 | USD | 20251031 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.55 | USD | 20251031 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251031 |
| China national standards | MT | 409.14 | USD | 20251031 | |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.2 | USD | 20251031 |