| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1123.53 | USD | 20251201 |
| Shandong Zhiheng | China national standards | MT | 1130.6 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Shinghwa AdvMat | China national standards | MT | 1229.53 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1342.59 | USD | 20251201 |
| Shandong Mingyu | China national standards | MT | 1257.79 | USD | 20251201 |
| Shinghwa AdvMat | China national standards | MT | 1215.39 | USD | 20251201 |