| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 874.25 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Hebei Risun Energy Limited | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 944.75 | USD | 20251023 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Hebei Risun Energy Limited | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1029.36 | USD | 20251023 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |