| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 943.02 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Hebei Risun Energy Limited | China national standards | MT | 957.1 | USD | 20251011 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 874.06 | USD | 20251011 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 872.65 | USD | 20251011 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Hebei Risun Energy Limited | China national standards | MT | 957.1 | USD | 20251011 |