| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Qi Mat | China national standards | MT | 867.85 | USD | 20251113 |
| Shaanxi Yanchang Petro | China national standards | MT | 867.85 | USD | 20251113 |
| Shandong Hanyue Chem | China national standards | MT | 931.35 | USD | 20251113 |
| Lihuayi Shandong | China national standards | MT | 1108.24 | USD | 20251112 |
| Sinopec | China national standards | MT | 1270.59 | USD | 20251112 |
| Jinan Pulaihua Chem | China national standards | MT | 1185.89 | USD | 20251112 |
| Shandong Yuhuang Chem | China national standards | MT | 1270.59 | USD | 20251112 |
| Sinopec | China national standards | MT | 1108.24 | USD | 20251112 |
| Shandong Yuanhe Chem | China national standards | MT | 1058.83 | USD | 20251112 |
| Wanhua Chem | China national standards | MT | 903.53 | USD | 20251112 |