| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1115.43 | USD | 20251115 |
| Shandong Xima | China national standards | MT | 875.4 | USD | 20251115 |
| WENTONG Potassium | China national standards | MT | 1030.71 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.71 | USD | 20251115 |
| Shandong Qiangsen Chem | China national standards | MT | 776.56 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 1030.71 | USD | 20251115 |
| WENTONG Potassium | China national standards | MT | 1087.19 | USD | 20251115 |
| ZJ Dayang Biotech | 80 mesh | MT | 1157.78 | USD | 20251115 |
| Beijing WentongTech | China national standards | MT | 974.23 | USD | 20251115 |
| Jinan Jinrihe Chem | China national standards | MT | 910.7 | USD | 20251114 |