| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 888.76 | USD | 20251104 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1326.09 | USD | 20251104 |
| Shandong Hongyang Chem | China national standards | MT | 1192.07 | USD | 20251104 |
| Sinopec | China national standards | MT | 1227.34 | USD | 20251104 |
| Sinopec | China national standards | MT | 1199.13 | USD | 20251104 |
| Sinopec | China national standards | MT | 881.71 | USD | 20251104 |
| Lihuayi Shandong | China national standards | MT | 1382.52 | USD | 20251104 |
| Sinopec | China national standards | MT | 1213.23 | USD | 20251104 |
| Jinan Jiaxing Chem | China national standards | MT | 1156.8 | USD | 20251104 |
| Shandong Aite Chem | China national standards | MT | 1199.13 | USD | 20251104 |