| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 790.56 | USD | 20251108 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.68 | USD | 20251108 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 705.86 | USD | 20251108 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 748.21 | USD | 20251107 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.44 | USD | 20251107 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.27 | USD | 20251107 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 741.15 | USD | 20251107 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 741.15 | USD | 20251107 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.27 | USD | 20251107 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 719.97 | USD | 20251107 |