| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 974.36 | USD | 20251117 |
| Shaanxi Yanchang Petro | China national standards | MT | 882.57 | USD | 20251117 |
| Sinopec | China national standards | MT | 896.69 | USD | 20251117 |
| Jinan Qi Mat | China national standards | MT | 882.57 | USD | 20251117 |
| Lihuayi Shandong | China national standards | MT | 903.75 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 1044.96 | USD | 20251117 |
| Sinopec | China national standards | MT | 1214.41 | USD | 20251117 |
| Shandong Hongyang Chem | China national standards | MT | 1193.23 | USD | 20251117 |
| Changzhou Juyun Mat | China national standards | MT | 1355.63 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1299.14 | USD | 20251117 |