| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |
| Hebei Risun Energy Limited | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250925 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250925 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 858.47 | USD | 20250925 |