| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 956.6 | USD | 20250918 |
| Hebei Risun Energy Limited | China national standards | MT | 956.6 | USD | 20250918 |
| Hebei Risun Energy Limited | China national standards | MT | 956.6 | USD | 20250918 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 879.23 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.33 | USD | 20250918 |