| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 404.9 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 449.89 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.66 | USD | 20250920 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 632.66 | USD | 20250920 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.36 | USD | 20250920 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 323.36 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 449.89 | USD | 20250920 |
| Shandong Luxi Chemical Co., Ltd. | 90% | MT | 534.25 | USD | 20250920 |
| Liaocheng Yuanze Chemical Co., Ltd. | China national standards | MT | 456.92 | USD | 20250920 |