| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 706.27 | USD | 20251202 |
| Zibo Lishuo Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Zibo Lishuo Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shanghai Ronghe Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.34 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Hanyue Chem | China national standards | MT | 706.27 | USD | 20251202 |
| Zibo Lishuo Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Shandong Yushuo Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Nantong Zhonghe Chem | China national standards | MT | 720.76 | USD | 20251201 |