| Vendor | Spec | Unit | Price | Currency | Date |
| 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 Shuojia Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 1694.29 | USD | 20251125 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1355.43 | USD | 20251125 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.53 | USD | 20251125 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1567.22 | USD | 20251125 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1637.82 | USD | 20251125 |