| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.82 | USD | 20251014 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 887.06 | USD | 20251014 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 865.94 | USD | 20251014 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Hebei Risun Energy Limited | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |