| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Laya Chem | China national standards | MT | 1003.41 | USD | 20251201 |
| Nanjing Runsheng Petro | China national standards | MT | 932.74 | USD | 20251201 |
| Jinan Qi Mat | China national standards | MT | 840.53 | USD | 20251130 |
| Liaocheng Yuanze Chem | China national standards | MT | 875.84 | USD | 20251130 |
| Qingdao Shengze Chem | China national standards | MT | 868.78 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 889.97 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 861.72 | USD | 20251130 |
| Aite Zhejiang | China national standards | MT | 1031.23 | USD | 20251129 |
| Shandong Aite Chem | China national standards | MT | 1271.38 | USD | 20251129 |