| Vendor | Spec | Unit | Price | Currency | Date |
| Shanxi Changlu Tech | China national standards | MT | 1031.67 | USD | 20251201 |
| Baozhen Shandong Chem | China national standards | MT | 1003.41 | USD | 20251201 |
| UniTrend China | China national standards | MT | 1045.8 | USD | 20251201 |
| Hubei 789 Chem | China national standards | MT | 777.29 | USD | 20251201 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1116.47 | USD | 20251201 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 1115.99 | USD | 20251130 |
| GuangZhan Chem | China national standards | MT | 1115.99 | USD | 20251130 |
| Jinan Jinrihe Chem | China national standards | MT | 932.35 | USD | 20251130 |
| WENTONG Potassium | China national standards | MT | 932.35 | USD | 20251130 |