| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1129.69 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1189.0 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Wanhua Chem | China national standards | MT | 1341.5 | USD | 20251117 |
| Shandong Junfeng | China national standards | MT | 1200.29 | USD | 20251117 |
| Befar | China national standards | MT | 1143.81 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 1129.69 | USD | 20251117 |