| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 944.27 | USD | 20251022 |
| Hebei Risun Energy Limited | China national standards | MT | 958.37 | USD | 20251022 |
| Panjin Read Chemical Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 873.81 | USD | 20251022 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 866.76 | USD | 20251022 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 887.9 | USD | 20251022 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.46 | USD | 20251022 |