| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.71 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1595.46 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1609.58 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.71 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1694.29 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1637.82 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1637.82 | USD | 20251125 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1186.01 | USD | 20251125 |