| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 818.27 | USD | 20251027 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.16 | USD | 20251027 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 747.73 | USD | 20251027 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 719.52 | USD | 20251027 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 719.52 | USD | 20251027 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 987.57 | USD | 20251027 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.49 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.54 | USD | 20251027 |