| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1183.87 | USD | 20251022 |
| Sinopec | China national standards | MT | 1247.29 | USD | 20251022 |
| Lihuayi Shandong | China national standards | MT | 1244.47 | USD | 20251022 |
| Shandong Yuanhe Chem | China national standards | MT | 1099.3 | USD | 20251022 |
| Lihuayi Shandong | China national standards | MT | 1113.4 | USD | 20251022 |
| Jinan Qi Mat | China national standards | MT | 890.72 | USD | 20251022 |
| Sinopec | China national standards | MT | 890.72 | USD | 20251022 |
| Shaanxi Yanchang Petro | China national standards | MT | 890.72 | USD | 20251022 |
| Jinan Qi Mat | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Shandong | China national standards | MT | 890.72 | USD | 20251022 |