| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.8 | USD | 20251121 |
| Changzhou Guoshun Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.23 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 684.3 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.01 | USD | 20251121 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 684.3 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 719.58 | USD | 20251121 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |