| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 295.24 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 344.45 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 330.39 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 365.54 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 351.48 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 379.6 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 358.51 | USD | 20250919 |