| Vendor | Spec | Unit | Price | Currency | Date |
| WENTONG Potassium | China national standards | MT | 1060.03 | USD | 20251210 |
| ZJ Dayang Biotech | 200 mesh | MT | 1130.69 | USD | 20251210 |
| Shandong Zhongke Taihua | China national standards | MT | 1060.03 | USD | 20251210 |
| Beijing WentongTech | China national standards | MT | 1088.29 | USD | 20251210 |
| Pingxiang Lixin BioTech | China national standards | MT | 1243.76 | USD | 20251210 |
| Pingxiang Lixin BioTech | China national standards | MT | 1088.29 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1003.49 | USD | 20251210 |
| Shandong Zhongke Taihua | China national standards | MT | 918.69 | USD | 20251210 |
| Baozhen Shandong Chem | China national standards | MT | 1102.43 | USD | 20251210 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1116.56 | USD | 20251210 |