| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 791.03 | USD | 20251202 |
| Shandong Qiangsen Chem | China national standards | MT | 819.28 | USD | 20251202 |
| Sinopec | China national standards | MT | 776.9 | USD | 20251202 |
| Wanhua Chem | China national standards | MT | 762.78 | USD | 20251202 |
| Shandong Energy | China national standards | MT | 1017.04 | USD | 20251202 |
| Shandong Jinshenrun Chem | China national standards | MT | 734.53 | USD | 20251202 |
| CNPC | China national standards | MT | 805.15 | USD | 20251202 |
| Wanhua Chem | China national standards | MT | 1024.1 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 734.53 | USD | 20251202 |
| Luxi Chem | China national standards | MT | 889.91 | USD | 20251202 |