| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251113 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251113 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251113 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251113 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.62 | USD | 20251113 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.34 | USD | 20251113 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 352.78 | USD | 20251113 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.53 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 367.06 | USD | 20251112 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 352.94 | USD | 20251112 |