| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 339.23 | USD | 20251206 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 240.29 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.43 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.43 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 360.43 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 381.63 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 353.36 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 367.5 | USD | 20251205 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 332.16 | USD | 20251205 |