| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 689.11 | USD | 20250922 | |
| China national standards | MT | 801.62 | USD | 20250922 | |
| Xinjiang Yankuang Qineng Coal Industry Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Henan Zhongyuan Dahua Group Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shandong Linglin New Material Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Shandong Linglin New Material Co., Ltd. | China national standards | MT | 689.11 | USD | 20250922 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |
| Shandong Linglin New Material Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Jinan Jinquanjin Economy & Trade Co., Ltd. | China national standards | MT | 801.62 | USD | 20250922 |