| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chem | China national standards | MT | 1031.6 | USD | 20251208 |
| Shinghwa AdvMat | China national standards | MT | 1215.31 | USD | 20251208 |
| Dongying HuataiChem | China national standards | MT | 1102.26 | USD | 20251208 |
| Shandong Yihe Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Shandong Jinling | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Yuxuan Chem | China national standards | MT | 1257.7 | USD | 20251208 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1102.26 | USD | 20251208 |
| Dongying HuataiChem | China national standards | MT | 1088.12 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 1215.31 | USD | 20251208 |
| Shandong Mingyu | China national standards | MT | 1229.44 | USD | 20251208 |