| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 900.8 | USD | 20251010 |
| Tongling Chemical Industry Group Corp.ltd | China national standards | MT | 872.65 | USD | 20251010 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.87 | USD | 20251010 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 872.65 | USD | 20251010 |
| Hebei Risun Energy Limited | China national standards | MT | 957.1 | USD | 20251010 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |