| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 710.42 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Shandong Jiachang Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Shandong Linglin New Material Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 872.2 | USD | 20250918 |
| China national standards | MT | 801.86 | USD | 20250918 |