| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | China national standards | MT | 959.56 | USD | 20251111 |
| Shanghai SKY Chem | China national standards | MT | 1065.39 | USD | 20251111 |
| WENTONG Potassium | China national standards | MT | 1100.67 | USD | 20251111 |
| Pingxiang Lixin BioTech | China national standards | MT | 1093.61 | USD | 20251111 |
| Pingxiang Lixin BioTech | China national standards | MT | 1065.39 | USD | 20251111 |
| Pingxiang Lixin BioTech | China national standards | MT | 1086.56 | USD | 20251111 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1114.78 | USD | 20251111 |
| WENTONG Potassium | China national standards | MT | 1086.56 | USD | 20251111 |
| Pingxiang Lixin BioTech | China national standards | MT | 1093.61 | USD | 20251111 |
| Pingxiang Lixin BioTech | China national standards | MT | 1065.39 | USD | 20251111 |