| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1340.92 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 1058.62 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 1129.19 | USD | 20251124 |
| Shandong Jinling Chem | China national standards | MT | 1270.34 | USD | 20251124 |
| Shandong Mingyu | China national standards | MT | 1228.0 | USD | 20251124 |
| Shandong Mingyu | China national standards | MT | 1256.23 | USD | 20251124 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1044.5 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Aite Zhejiang | China national standards | MT | 1129.19 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 1242.11 | USD | 20251124 |