| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 873.63 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| New SOLAR Technology Group Co., Ltd. | China national standards | MT | 870.48 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.64 | USD | 20251015 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |
| Hebei Risun Energy Limited | China national standards | MT | 957.81 | USD | 20251015 |