| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.75 | USD | 20251109 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.52 | USD | 20251109 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.34 | USD | 20251109 |
| China national standards | MT | 395.28 | USD | 20251109 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.28 | USD | 20251109 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.93 | USD | 20251109 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.52 | USD | 20251109 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.51 | USD | 20251109 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.93 | USD | 20251108 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.28 | USD | 20251108 |