| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1044.96 | USD | 20251117 |
| Nanjing Runsheng Petro | China national standards | MT | 889.63 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Zhenkun | China national standards | MT | 1080.26 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1256.78 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Fusheng | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 819.02 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 819.02 | USD | 20251117 |