| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshenrun Chem | China national standards | MT | 734.89 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 791.42 | USD | 20251201 |
| Luxi Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 847.95 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 713.69 | USD | 20251201 |
| Shandong Xingpeng Chem | China national standards | MT | 720.76 | USD | 20251201 |
| Zibo Lishuo Chem | China national standards | MT | 918.61 | USD | 20251201 |
| Qingdao Shengze Chem | China national standards | MT | 713.69 | USD | 20251201 |
| PetroChina | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 734.89 | USD | 20251201 |