| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1127.9 | USD | 20251024 |
| Nanjing Baitu Chem | China national standards | MT | 1085.61 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 1254.79 | USD | 20251024 |
| Shandong Laya Chem | China national standards | MT | 1001.16 | USD | 20251023 |
| Shandong Zhenkun | China national standards | MT | 1078.71 | USD | 20251023 |
| Nanjing Runsheng Petro | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Fusheng | China national standards | MT | 1057.56 | USD | 20251023 |
| Shandong Fusheng | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Huize Chem | China national standards | MT | 1043.46 | USD | 20251023 |