| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1058.34 | USD | 20251111 |
| Dongying HuataiChem | China national standards | MT | 1058.34 | USD | 20251111 |
| Shandong Jinling Chem | China national standards | MT | 1270.0 | USD | 20251111 |
| Aite Zhejiang | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1121.84 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1188.16 | USD | 20251111 |
| Shandong Hongyang Chem | China national standards | MT | 1093.61 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1171.22 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1128.89 | USD | 20251111 |
| Shandong Zhiheng | China national standards | MT | 1128.89 | USD | 20251111 |