| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinhao Chem | China national standards | MT | 803.61 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Shandong Shuojia Chem | China national standards | MT | 719.02 | USD | 20251021 |
| Hubei 789 Chem | China national standards | MT | 986.89 | USD | 20251021 |
| Hubei 789 Chem | China national standards | MT | 986.89 | USD | 20251021 |
| Shandong Hanyue Chem | China national standards | MT | 761.31 | USD | 20251021 |
| Shandong Hanyue Chem | China national standards | MT | 761.31 | USD | 20251021 |