| Vendor | Spec | Unit | Price | Currency | Date |
| UniTrend China | China national standards | MT | 1106.05 | USD | 20251020 |
| Hunan Lixin Tech | China national standards | MT | 1014.47 | USD | 20251020 |
| Hunan Lixin Tech | China national standards | MT | 1063.78 | USD | 20251020 |
| Shandong Zhongke Taihua | China national standards | MT | 1056.74 | USD | 20251020 |
| WENTONG Potassium | China national standards | MT | 1056.74 | USD | 20251020 |
| Shandong Zhongke Taihua | China national standards | MT | 915.84 | USD | 20251020 |
| Shandong Xima | China national standards | MT | 873.57 | USD | 20251020 |
| Shandong Qiangsen Chem | China national standards | MT | 774.94 | USD | 20251020 |
| Pingxiang Lixin BioTech | China national standards | MT | 1014.47 | USD | 20251020 |
| Pingxiang Lixin BioTech | China national standards | MT | 1063.78 | USD | 20251020 |