| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 338.25 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.36 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 235.36 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 338.25 | USD | 20251022 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 241.0 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 451.0 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 288.92 | USD | 20251022 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.41 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.56 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.31 | USD | 20251021 |