| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Hebei Risun Energy Limited | China national standards | MT | 959.44 | USD | 20251122 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 945.33 | USD | 20251122 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 888.89 | USD | 20251122 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251122 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.54 | USD | 20251122 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |