| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.81 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.45 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.74 | USD | 20251203 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.45 | USD | 20251203 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.67 | USD | 20251203 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 699.61 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 720.81 | USD | 20251203 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.61 | USD | 20251203 |