| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1101.87 | USD | 20251129 |
| Shandong Qiangsen Chem | China national standards | MT | 776.96 | USD | 20251129 |
| WENTONG Potassium | China national standards | MT | 1087.74 | USD | 20251129 |
| Shandong Xima | China national standards | MT | 875.84 | USD | 20251129 |
| Pingxiang Lixin BioTech | China national standards | MT | 1017.11 | USD | 20251129 |
| Pingxiang Lixin BioTech | China national standards | MT | 1229.0 | USD | 20251128 |
| Pingxiang Lixin BioTech | China national standards | MT | 1087.74 | USD | 20251128 |
| Pingxiang Lixin BioTech | China national standards | MT | 1115.99 | USD | 20251128 |
| ZJ Dayang Biotech | China national standards | MT | 1158.37 | USD | 20251128 |
| Pingxiang Lixin BioTech | China national standards | MT | 1080.68 | USD | 20251128 |