| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chem | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Yihe Chem | China national standards | MT | 790.68 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 960.11 | USD | 20251114 |
| Qingdao Shengze Chem | China national standards | MT | 1044.83 | USD | 20251114 |
| Hubei 789 Chem | China national standards | MT | 818.92 | USD | 20251114 |
| Jinan Aochen Chem | China national standards | MT | 1200.14 | USD | 20251114 |
| Shandong Kaitai Petro | China national standards | MT | 889.52 | USD | 20251114 |
| Shandong Kaitai Petro | China national standards | MT | 917.76 | USD | 20251114 |
| Shandong Laya Chem | China national standards | MT | 790.68 | USD | 20251114 |
| Shandong Zhiheng | China national standards | MT | 804.8 | USD | 20251114 |