| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Jianghai Env | China national standards | MT | 537.03 | USD | 20251201 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 190.79 | USD | 20251201 |
| Shandong Qiangsen Chem | China national standards | MT | 103.17 | USD | 20251201 |
| Shanghai Guoke | China national standards | MT | 124.37 | USD | 20251201 |
| Wuhan Hengjiu Chem | China national standards | MT | 130.02 | USD | 20251201 |
| Zhangzhou Sanan Chem | China national standards | MT | 141.32 | USD | 20251201 |
| Jinan Xingdate Bio | China national standards | MT | 105.99 | USD | 20251201 |
| Hubei 789 Chem | Agricultural Grade | MT | 107.41 | USD | 20251201 |
| Hubei 789 Chem | Agricultural Grade | MT | 107.41 | USD | 20251201 |
| Shandong Jinshenrun Chem | China national standards | MT | 98.93 | USD | 20251201 |