| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 945.26 | USD | 20251031 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Jinshenrun Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Beijing Yanshan Petro | China national standards | MT | 987.58 | USD | 20251031 |
| Sinopec | China national standards | MT | 994.64 | USD | 20251031 |
| Shanghai Guoke | China national standards | MT | 1281.04 | USD | 20251031 |
| Shandong Xima | China national standards | MT | 888.83 | USD | 20251031 |
| Shandong Qiangsen Chem | China national standards | MT | 931.15 | USD | 20251031 |
| Shandong Qiangsen Chem | China national standards | MT | 931.15 | USD | 20251031 |
| Shandong Aite Chem | China national standards | MT | 1100.45 | USD | 20251031 |