| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.67 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 745.41 | USD | 20251009 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 801.67 | USD | 20251009 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 787.6 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.2 | USD | 20251008 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 745.9 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.97 | USD | 20251008 |