| Vendor | Spec | Unit | Price | Currency | Date |
| Pingxiang Lixin BioTech | China national standards | MT | 1092.04 | USD | 20251016 |
| Pingxiang Lixin BioTech | China national standards | MT | 1085.0 | USD | 20251016 |
| Pingxiang Lixin BioTech | 200 mesh | MT | 1113.18 | USD | 20251016 |
| WENTONG Potassium | China national standards | MT | 1085.0 | USD | 20251016 |
| Pingxiang Lixin BioTech | China national standards | MT | 1014.54 | USD | 20251016 |
| Shanxi Changlu Tech | China national standards | MT | 1028.63 | USD | 20251016 |
| Shandong Longhui Chem | China national standards | MT | 1042.72 | USD | 20251016 |
| Shandong Zhongke Taihua | China national standards | MT | 1056.81 | USD | 20251016 |
| Shandong Zhongke Taihua | China national standards | MT | 915.91 | USD | 20251016 |
| WENTONG Potassium | China national standards | MT | 1056.81 | USD | 20251016 |