| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 889.24 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.9 | USD | 20251124 |
| Hebei Risun Energy Limited | China national standards | MT | 959.44 | USD | 20251123 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.56 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251123 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251123 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 888.89 | USD | 20251123 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251123 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 973.54 | USD | 20251122 |
| Hebei Risun Energy Limited | China national standards | MT | 959.44 | USD | 20251122 |