| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1012.57 | USD | 20250922 |
| Dongying HuataiChem | China national standards | MT | 1012.57 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Jinling Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Aite Chem | China national standards | MT | 1139.14 | USD | 20250922 |
| Shandong Huize Chem | China national standards | MT | 1044.92 | USD | 20250922 |
| Nantong Zhonghe Chem | China national standards | MT | 1026.64 | USD | 20250922 |