| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Baiquan | China national standards | MT | 165.35 | USD | 20251201 |
| Pingxiang Lixin BioTech | China national standards | MT | 176.66 | USD | 20251201 |
| Sichuan Hebang Bio | China national standards | MT | 233.19 | USD | 20251201 |
| Henan Leavit Chem | China national standards | MT | 173.83 | USD | 20251201 |
| Henan Leavit Chem | China national standards | MT | 173.83 | USD | 20251201 |
| Pingxiang Lixin BioTech | China national standards | MT | 183.64 | USD | 20251130 |
| Henan Kaijie Water | China national standards | MT | 211.9 | USD | 20251130 |
| Pingxiang Lixin BioTech | China national standards | MT | 190.71 | USD | 20251130 |
| Anhui Haozhan Tech | China national standards | MT | 204.83 | USD | 20251130 |
| Zhangzhou Sanan Chem | China national standards | MT | 211.9 | USD | 20251130 |