| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 756.15 | USD | 20251210 |
| Shanghai Guoke | China national standards | MT | 1158.96 | USD | 20251210 |
| Shanghai Ronghe Chem | China national standards | MT | 876.29 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 831.06 | USD | 20251210 |
| Jinan Jinrihe Chem | China national standards | MT | 791.49 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 720.82 | USD | 20251210 |
| Shandong Shuojia Chem | China national standards | MT | 720.82 | USD | 20251210 |