| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 380.95 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.06 | USD | 20251123 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251123 |
| China national standards | MT | 296.3 | USD | 20251123 | |
| China national standards | MT | 296.3 | USD | 20251122 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.35 | USD | 20251122 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 380.95 | USD | 20251122 |
| 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 |