| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 973.48 | USD | 20251101 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.02 | USD | 20251101 |
| Shandong Jinwen Chem | China national standards | MT | 1199.21 | USD | 20251101 |
| Shandong Yuhuang Chem | China national standards | MT | 1290.91 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1333.24 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1297.97 | USD | 20251101 |
| Shandong Aite Chem | China national standards | MT | 1199.21 | USD | 20251101 |
| Lihuayi Shandong | China national standards | MT | 1382.62 | USD | 20251101 |
| Sinopec | China national standards | MT | 1227.43 | USD | 20251101 |
| Shandong Yuhuang Chem | China national standards | MT | 1368.51 | USD | 20251101 |