| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1408.03 | USD | 20251014 |
| Shandong Zhiheng | China national standards | MT | 1330.59 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1429.15 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1429.15 | USD | 20251014 |
| Shandong Hongyang Chem | China national standards | MT | 1429.15 | USD | 20251014 |
| Shandong Jinling Chem | China national standards | MT | 1098.48 | USD | 20251013 |
| Dongying Huatai Chem | China national standards | MT | 1098.48 | USD | 20251013 |
| Shandong Yaowang Chem | China national standards | MT | 1119.61 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 1450.56 | USD | 20251013 |
| Shandong Aite Chem | China national standards | MT | 1154.82 | USD | 20251013 |