| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 408.61 | USD | 20251020 | |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 415.65 | USD | 20251020 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.11 | USD | 20251020 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 352.25 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 338.16 | USD | 20251020 |
| China national standards | MT | 295.89 | USD | 20251020 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 387.47 | USD | 20251020 |
| China national standards | MT | 422.7 | USD | 20251020 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.61 | USD | 20251020 |