| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xingpeng Chem | China national standards | MT | 882.91 | USD | 20251129 |
| Shandong Langchem | China national standards | MT | 1101.87 | USD | 20251129 |
| Qingdao Shengze Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 889.97 | USD | 20251129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 875.84 | USD | 20251129 |
| Shandong Zhiheng | China national standards | MT | 908.33 | USD | 20251128 |
| Shandong Jinshenrun Chem | China national standards | MT | 974.73 | USD | 20251128 |
| Shanghai Guoke | China national standards | MT | 1282.69 | USD | 20251128 |
| Beijing Yanshan Petro | China national standards | MT | 908.33 | USD | 20251128 |