| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 727.46 | USD | 20251202 |
| Shandong Yeyang Chem | China national standards | MT | 776.9 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Energy | China national standards | MT | 1017.04 | USD | 20251202 |
| Lihuayi Shandong | China national standards | MT | 706.27 | USD | 20251202 |
| Shandong Xima | China national standards | MT | 748.65 | USD | 20251202 |
| Shandong Aite Chem | China national standards | MT | 1073.54 | USD | 20251202 |
| Aite Zhejiang | China national standards | MT | 988.78 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 713.34 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 1483.18 | USD | 20251202 |