| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.13 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.79 | USD | 20251125 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 698.9 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.13 | USD | 20251125 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.31 | USD | 20251125 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.37 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.55 | USD | 20251125 |