| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Hebei Risun Energy Limited | China national standards | MT | 956.98 | USD | 20250925 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.9 | USD | 20250925 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.39 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.76 | USD | 20250925 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 928.83 | USD | 20250925 |