| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 337.8 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 337.8 | USD | 20251010 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 415.21 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.76 | USD | 20251010 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |