| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Longhui Chem | China national standards | MT | 1945.91 | USD | 20251023 |
| Shandong Hongyang Chem | China national standards | MT | 1762.6 | USD | 20251023 |
| Shandong Zhiheng | China national standards | MT | 1551.09 | USD | 20251023 |
| Shandong Qiangsen Chem | China national standards | MT | 1480.58 | USD | 20251023 |
| Shandong Xima | China national standards | MT | 1466.48 | USD | 20251023 |
| Hubei 789 Chem | China national standards | MT | 2044.61 | USD | 20251023 |
| Hubei 789 Chem | China national standards | MT | 2044.61 | USD | 20251023 |
| Shandong Xima | China national standards | MT | 1465.74 | USD | 20251022 |
| Shanghai Ronghe Chem | China national standards | MT | 1803.99 | USD | 20251022 |
| Shandong Longhui Chem | China national standards | MT | 1634.86 | USD | 20251022 |