| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 957.36 | USD | 20250908 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.96 | USD | 20250908 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.52 | USD | 20250907 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.81 | USD | 20250906 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.52 | USD | 20250906 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.81 | USD | 20250905 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 886.52 | USD | 20250905 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 886.67 | USD | 20250904 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 957.05 | USD | 20250904 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 942.97 | USD | 20250904 |