| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.9 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.72 | USD | 20250923 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 344.79 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 337.76 | USD | 20250923 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 295.54 | USD | 20250923 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 382.79 | USD | 20250923 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 337.76 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.83 | USD | 20250923 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 408.12 | USD | 20250923 |