| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 907.17 | USD | 20251102 |
| Shandong Xingpeng Chem | China national standards | MT | 917.04 | USD | 20251102 |
| Beijing Yanshan Petro | China national standards | MT | 907.17 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.58 | USD | 20251102 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.04 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 917.04 | USD | 20251101 |
| Beijing Yanshan Petro | China national standards | MT | 907.17 | USD | 20251101 |
| Shandong Xingpeng Chem | China national standards | MT | 917.04 | USD | 20251101 |
| Shandong Langchem | China national standards | MT | 1128.67 | USD | 20251101 |
| Qingdao Shengze Chem | China national standards | MT | 917.04 | USD | 20251101 |