| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 295.14 | USD | 20250928 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 295.14 | USD | 20250928 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 337.31 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.39 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.47 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250928 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250928 |