| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 873.63 | USD | 20251016 |
| Hebei Risun Energy Limited | China national standards | MT | 958.18 | USD | 20251016 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 873.63 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 880.68 | USD | 20251016 |