| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 190.33 | USD | 20251024 |
| Chizhou Xinyu Chem | China national standards | MT | 211.48 | USD | 20251024 |
| Haohua Junhua | China national standards | MT | 162.14 | USD | 20251024 |
| Henan Baiquan | China national standards | MT | 166.37 | USD | 20251024 |
| Henan Qianyuexing | China national standards | MT | 162.14 | USD | 20251024 |
| Shanghai Guoke | China national standards | MT | 260.83 | USD | 20251024 |
| Sichuan Hebang Bio | China national standards | MT | 232.63 | USD | 20251024 |
| Shandong Hanyue Chem | China national standards | MT | 190.33 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 190.33 | USD | 20251024 |
| Hubei 789 Chem | China national standards | MT | 253.81 | USD | 20251023 |