| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| China national standards | MT | 344.4 | USD | 20251124 | |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.22 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.16 | 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 | 303.47 | USD | 20251124 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.33 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.28 | USD | 20251124 |