| Vendor | Spec | Unit | Price | Currency | Date |
| UniTrend China | China national standards | MT | 1060.01 | USD | 20251203 |
| ZJ Dayang Biotech | China national standards | MT | 1130.68 | USD | 20251203 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.28 | USD | 20251203 |
| Beijing WentongTech | China national standards | MT | 1109.48 | USD | 20251203 |
| WENTONG Potassium | China national standards | MT | 1088.28 | USD | 20251203 |
| Pingxiang Lixin BioTech | China national standards | MT | 1102.41 | USD | 20251203 |
| Pingxiang Lixin BioTech | China national standards | MT | 1081.21 | USD | 20251203 |
| Pingxiang Lixin BioTech | China national standards | MT | 1074.14 | USD | 20251203 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.28 | USD | 20251203 |
| Shandong Longhui Chem | China national standards | MT | 1045.88 | USD | 20251203 |