| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251122 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251122 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.28 | USD | 20251122 |
| China national standards | MT | 395.06 | USD | 20251122 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.06 | USD | 20251122 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.57 | USD | 20251122 |
| China national standards | MT | 296.3 | USD | 20251122 | |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.12 | USD | 20251122 |
| China national standards | MT | 409.17 | USD | 20251122 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.75 | USD | 20251122 |