| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.72 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.54 | USD | 20250920 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.54 | USD | 20250920 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 506.13 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 400.69 | USD | 20250920 |