| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 790.34 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 790.34 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 1072.6 | USD | 20251118 |
| Wanhua Chem | China national standards | MT | 1044.37 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Aite Chem | China national standards | MT | 945.58 | USD | 20251118 |
| Wanhua Yantai | China national standards | MT | 790.34 | USD | 20251118 |
| Wanhua Yantai | China national standards | MT | 896.18 | USD | 20251118 |
| Shandong Kaitai Petro | China national standards | MT | 889.13 | USD | 20251118 |