| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.74 | USD | 20250918 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 815.92 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 851.79 | USD | 20250916 |