| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Guoke | China national standards | MT | 1282.02 | USD | 20251125 |
| Beijing Yanshan Petro | China national standards | MT | 875.38 | USD | 20251125 |
| Qingdao Shengze Chem | China national standards | MT | 875.38 | USD | 20251125 |
| Shandong Xima | China national standards | MT | 889.5 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.46 | USD | 20251125 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.46 | USD | 20251125 |
| Shandong Qiangsen Chem | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1101.29 | USD | 20251125 |
| Lihuayi Weiyuan Chem | China national standards | MT | 917.74 | USD | 20251125 |
| Shandong Qiangsen Chem | China national standards | MT | 931.86 | USD | 20251125 |