| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 928.83 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |
| Hebei Risun Energy Limited | China national standards | MT | 956.98 | USD | 20250923 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.54 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.61 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1027.34 | USD | 20250923 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250923 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250923 |