| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 931.77 | USD | 20251112 |
| Qingdao Shengze Chem | China national standards | MT | 875.3 | USD | 20251112 |
| Jinan Jinrihe Chem | China national standards | MT | 1002.36 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Junfeng | China national standards | MT | 1058.83 | USD | 20251112 |
| Hubei 789 Chem | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Xingpeng Chem | China national standards | MT | 903.53 | USD | 20251112 |
| Beijing Yanshan Petro | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Langchem | China national standards | MT | 1101.18 | USD | 20251112 |
| Qingdao Shengze Chem | China national standards | MT | 875.3 | USD | 20251112 |