| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.87 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251011 |
| Hebei Risun Energy Limited | China national standards | MT | 957.1 | USD | 20251011 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.25 | USD | 20251011 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 858.57 | USD | 20251010 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251010 |