| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1764.14 | USD | 20251110 |
| Shandong Zhiheng | China national standards | MT | 1552.44 | USD | 20251110 |
| Shandong Longhui Chem | China national standards | MT | 1637.12 | USD | 20251110 |
| Shandong Longhui Chem | China national standards | MT | 1947.61 | USD | 20251110 |
| Hubei 789 Chem | China national standards | MT | 2046.4 | USD | 20251110 |
| Hubei 789 Chem | China national standards | MT | 2046.4 | USD | 20251110 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.48 | USD | 20251110 |
| Shandong Xima | China national standards | MT | 1467.77 | USD | 20251110 |
| Shandong Qiangsen Chem | China national standards | MT | 1481.88 | USD | 20251110 |
| Shanghai Ronghe Chem | China national standards | MT | 1806.99 | USD | 20251109 |