| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1257.79 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 1003.41 | USD | 20251201 |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Aite Zhejiang | China national standards | MT | 1031.67 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 869.15 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 932.74 | USD | 20251201 |
| Shandong Fusheng | China national standards | MT | 819.68 | USD | 20251201 |