| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 932.35 | USD | 20251130 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.1 | USD | 20251130 |
| Hebei Risun Energy Limited | China national standards | MT | 960.6 | USD | 20251130 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 974.73 | USD | 20251129 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 889.97 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 946.47 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.59 | USD | 20251129 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 847.59 | USD | 20251129 |