| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng | China national standards | MT | 957.05 | USD | 20250904 |
| Jinan Shengfeng | China national standards | MT | 956.29 | USD | 20250903 |
| Shandong Xima | China national standards | MT | 885.98 | USD | 20250903 |
| Shandong Xima | China national standards | MT | 970.61 | USD | 20250902 |
| Shandong Qiangsen Chem | China national standards | MT | 942.48 | USD | 20250902 |
| Shandong Xima | China national standards | MT | 886.21 | USD | 20250902 |
| Jinan Shengfeng | China national standards | MT | 914.35 | USD | 20250902 |
| Shandong Huize Chem | China national standards | MT | 928.41 | USD | 20250902 |
| Shandong Laya Chem | China national standards | MT | 886.21 | USD | 20250902 |
| Shandong Xima | China national standards | MT | 886.43 | USD | 20250901 |