| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 717.02 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 815.43 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 984.14 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |