| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.08 | USD | 20251203 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.61 | USD | 20251203 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.08 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 763.21 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 749.07 | USD | 20251203 |