| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chem | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 818.28 | USD | 20251101 |
| Aite Zhejiang | China national standards | MT | 881.77 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 987.58 | USD | 20251101 |
| Wanhua Yantai | China national standards | MT | 818.28 | USD | 20251101 |
| Wanhua Yantai | China national standards | MT | 888.83 | USD | 20251101 |
| Wanhua Yantai | China national standards | MT | 832.39 | USD | 20251101 |
| Wanhua Yantai | China national standards | MT | 790.07 | USD | 20251101 |
| Shandong Xima | China national standards | MT | 790.07 | USD | 20251101 |
| Shandong Laya Chem | China national standards | MT | 790.07 | USD | 20251101 |