| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.85 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.55 | USD | 20251209 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 748.87 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.26 | USD | 20251209 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.26 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.42 | USD | 20251209 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.26 | USD | 20251209 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.39 | USD | 20251209 |