| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.36 | USD | 20251016 |
| Jiangsu Lee & Man Chemical Limited | China national standards | MT | 239.54 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.82 | USD | 20251016 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 352.27 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 394.54 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 450.91 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 239.54 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.54 | USD | 20251016 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 239.54 | USD | 20251016 |