| Vendor | Spec | Unit | Price | Currency | Date |
| GuangZhan Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| Jinan Jinhao Chem | China national standards | MT | 1017.01 | USD | 20251126 |
| Shandong Yuanhe Chem | China national standards | MT | 988.76 | USD | 20251126 |
| GuangZhan Chem | China national standards | MT | 1115.88 | USD | 20251126 |
| WENTONG Potassium | China national standards | MT | 1101.76 | USD | 20251126 |
| WENTONG Potassium | China national standards | MT | 960.51 | USD | 20251126 |
| Baozhen Shandong Chem | China national standards | MT | 960.51 | USD | 20251126 |
| Shandong Longhui Chem | China national standards | MT | 1045.26 | USD | 20251126 |
| ZJ Dayang Biotech | 200 mesh | MT | 1115.88 | USD | 20251126 |
| Jinan Jinhao Chem | China national standards | MT | 1031.13 | USD | 20251126 |