| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 790.07 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 790.25 | USD | 20251030 |
| Shandong Yeyang Chem | China national standards | MT | 818.47 | USD | 20251030 |
| Aite Zhejiang | China national standards | MT | 881.97 | USD | 20251030 |
| Shandong Laya Chem | China national standards | MT | 790.25 | USD | 20251030 |
| Wanhua Yantai | China national standards | MT | 896.08 | USD | 20251030 |
| Jinan Aochen Chem | China national standards | MT | 1199.48 | USD | 20251030 |
| Aite Zhejiang | China national standards | MT | 889.03 | USD | 20251030 |
| Shandong Kaitai Petro | China national standards | MT | 889.03 | USD | 20251030 |
| Shandong Kaitai Petro | China national standards | MT | 917.25 | USD | 20251030 |