| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1765.69 | USD | 20251202 |
| Shandong Longhui Chem | China national standards | MT | 1949.32 | USD | 20251202 |
| Hubei 789 Chem | China national standards | MT | 2048.2 | USD | 20251202 |
| Jinan Lianxing | China national standards | MT | 1695.06 | USD | 20251202 |
| Shandong Longhui Chem | China national standards | MT | 1638.56 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 1483.18 | USD | 20251202 |
| Shandong Huize Chem | China national standards | MT | 1765.69 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 1483.18 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 1469.05 | USD | 20251202 |
| Shandong Zhiheng | China national standards | MT | 1553.8 | USD | 20251202 |