| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.48 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1639.48 | USD | 20251203 |
| Hunan Jinyu Fine Chemical Co., Ltd. | China national standards | MT | 1582.95 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1696.02 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1823.22 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1356.81 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1314.41 | USD | 20251203 |