| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Weifang Yixin Chemical Co., Ltd. | China national standards | MT | 1646.55 | USD | 20251203 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Shandong Yushuo 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 Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| 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 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1568.82 | USD | 20251203 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.28 | USD | 20251203 |