| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinling Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Befar | China national standards | MT | 1342.59 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1342.59 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Dongying HuataiChem | China national standards | MT | 1088.2 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1384.98 | USD | 20251201 |
| Jinan Pulaihua Chem | China national standards | MT | 1271.92 | USD | 20251201 |