| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.39 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.64 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.7 | USD | 20251124 |
| China national standards | MT | 324.64 | USD | 20251124 | |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.28 | USD | 20251123 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 380.95 | USD | 20251123 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.75 | USD | 20251123 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251123 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.57 | USD | 20251123 |