| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 776.01 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 959.44 | USD | 20251121 |
| WENTONG Potassium | China national standards | MT | 1128.75 | USD | 20251121 |
| Hubei 789 Chem | China national standards | MT | 776.01 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 1001.76 | USD | 20251121 |
| Jinan Angxin Chem | China national standards | MT | 1001.76 | USD | 20251121 |
| ZJ Dayang Biotech | 200 mesh | MT | 1114.64 | USD | 20251121 |
| Baozhen Shandong Chem | China national standards | MT | 1058.2 | USD | 20251121 |
| Shandong Yuanhe Chem | China national standards | MT | 959.44 | USD | 20251121 |
| Jinan Jinrihe Chem | China national standards | MT | 917.11 | USD | 20251121 |