| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai SKY Chem | China national standards | MT | 124.09 | USD | 20251023 |
| Shanghai SKY Chem | China national standards | MT | 124.09 | USD | 20251023 |
| Hubei 789 Chem | Agricultural Grade | MT | 107.17 | USD | 20251023 |
| Hubei 789 Chem | Agricultural Grade | MT | 107.17 | USD | 20251023 |
| Shandong Qiangsen Chem | China national standards | MT | 102.94 | USD | 20251023 |
| Hunan Jianghai Env | China national standards | MT | 124.09 | USD | 20251023 |
| Hunan Jianghai Env | China national standards | MT | 535.83 | USD | 20251023 |
| Shanghai Guoke | China national standards | MT | 124.09 | USD | 20251023 |
| Shandong Laya Chem | Reagent Grade | MT | 57.81 | USD | 20251023 |
| Shandong Huize Chem | Reagent Grade | MT | 107.17 | USD | 20251023 |