| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 893.25 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 908.8 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 908.8 | USD | 20251210 |
| Shaanxi Yanchang Petro | China national standards | MT | 908.8 | USD | 20251210 |
| Sinopec | China national standards | MT | 908.8 | USD | 20251210 |
| Jinan Qi Mat | China national standards | MT | 908.8 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 1031.76 | USD | 20251210 |
| Lihuayi Shandong | China national standards | MT | 1328.57 | USD | 20251210 |
| Shandong Yuhuang Chem | China national standards | MT | 897.49 | USD | 20251210 |
| Shandong Yuhuang Chem | China national standards | MT | 897.49 | USD | 20251210 |