| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1434.45 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1116.47 | USD | 20251201 |
| Shandong Jinling Chem | China national standards | MT | 1137.66 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 1130.12 | USD | 20251130 |
| Dongying Huatai Chem | China national standards | MT | 1115.99 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 1115.99 | USD | 20251130 |
| Shandong Jinshenrun Chem | China national standards | MT | 1101.87 | USD | 20251130 |
| Shandong Xingpeng Chem | China national standards | MT | 1059.49 | USD | 20251130 |
| Shandong Jinling Chem | China national standards | MT | 1130.12 | USD | 20251130 |
| Shandong Jinmao | China national standards | MT | 1115.99 | USD | 20251130 |