| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 366.43 | USD | 20251022 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.25 | USD | 20251022 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.79 | USD | 20251022 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.38 | USD | 20251022 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.01 | USD | 20251022 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 422.81 | USD | 20251022 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 408.72 | USD | 20251022 |
| China national standards | MT | 408.72 | USD | 20251022 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 366.43 | USD | 20251022 |