| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 423.33 | USD | 20251111 | |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 366.89 | USD | 20251111 |
| China national standards | MT | 324.56 | USD | 20251111 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.56 | USD | 20251111 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251111 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251111 |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.11 | USD | 20251111 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.33 | USD | 20251111 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.22 | USD | 20251111 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.89 | USD | 20251111 |