| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1229.28 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1172.76 | USD | 20251209 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1243.41 | USD | 20251209 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1257.54 | USD | 20251209 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.15 | USD | 20251209 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1257.54 | USD | 20251209 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1624.91 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1102.12 | USD | 20251209 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1087.99 | USD | 20251209 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1116.24 | USD | 20251209 |