| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 845.39 | USD | 20251020 |
| Shandong Wells Chem | China national standards | MT | 739.72 | USD | 20251020 |
| Jinan Jinrihe Chem | China national standards | MT | 845.39 | USD | 20251020 |
| Jinan Jinrihe Chem | China national standards | MT | 789.03 | USD | 20251020 |
| Jinan Jinrihe Chem | Industrial Grade | MT | 760.85 | USD | 20251020 |
| Guangzhou Tianyue Chem | China national standards | MT | 958.11 | USD | 20251020 |
| Guangzhou Tianyue Chem | China national standards | MT | 958.11 | USD | 20251020 |
| Hubei 789 Chem | China national standards | MT | 915.84 | USD | 20251020 |
| Hubei 789 Chem | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Daoqin Chem | China national standards | MT | 958.11 | USD | 20251020 |