| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Chem | China national standards | MT | 1481.54 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1114.69 | USD | 20251119 |
| Shandong Aite Chem | China national standards | MT | 1481.54 | USD | 20251119 |
| Shandong Jinmao | China national standards | MT | 1058.25 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Aite Chem | China national standards | MT | 1157.02 | USD | 20251119 |
| Dongying Huatai Chem | China national standards | MT | 1086.47 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1100.58 | USD | 20251119 |
| Shandong Yeyang Chem | China national standards | MT | 1255.79 | USD | 20251119 |
| Shandong Yuxuan Chem | China national standards | MT | 1255.79 | USD | 20251119 |