| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1108.51 | USD | 20251117 |
| Shanghai Guoke | China national standards | MT | 1282.2 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 1200.29 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1129.69 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 907.99 | USD | 20251117 |
| Shandong Jinshenrun Chem | China national standards | MT | 988.48 | USD | 20251117 |
| Shandong Langchem | China national standards | MT | 1101.45 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 931.99 | USD | 20251117 |
| Shandong Zhiheng | China national standards | MT | 907.99 | USD | 20251117 |
| Shanghai SKY Chem | China national standards | MT | 1270.9 | USD | 20251117 |