| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.78 | USD | 20251103 |
| China national standards | MT | 409.22 | USD | 20251103 | |
| China national standards | MT | 409.22 | USD | 20251103 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251103 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 409.22 | USD | 20251103 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.55 | USD | 20251103 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 402.16 | USD | 20251103 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 397.93 | USD | 20251103 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251103 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 416.27 | USD | 20251103 |