| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 1031.6 | USD | 20251208 |
| Shandong Yuanhe Chem | China national standards | MT | 1059.86 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 908.65 | USD | 20251208 |
| Jinan Qi Mat | China national standards | MT | 908.65 | USD | 20251208 |
| Shaanxi Yanchang Petro | China national standards | MT | 908.65 | USD | 20251208 |
| Sinopec | China national standards | MT | 908.65 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |