| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 1271.92 | USD | 20251201 |
| Jinan Angxin Chem | China national standards | MT | 946.88 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Zhenkun | China national standards | MT | 1081.13 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1074.07 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 932.74 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 904.48 | USD | 20251201 |