| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Hebei Risun Energy Limited | China national standards | MT | 960.82 | USD | 20251209 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.69 | USD | 20251209 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |