| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 703.18 | USD | 20250922 |
| Shandong Fusheng | China national standards | MT | 703.18 | USD | 20250922 |
| Shandong Mengkanda Chem | China national standards | MT | 534.41 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 506.29 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 506.29 | USD | 20250922 |
| Shanghai Guoke | China national standards | MT | 738.33 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 534.41 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 527.38 | USD | 20250922 |
| Shandong Langchem | China national standards | MT | 506.29 | USD | 20250922 |
| Sinopec | China national standards | MT | 611.76 | USD | 20250922 |