| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Zhongke Taihua | China national standards | MT | USD | 20251201 | |
| Baozhen Shandong Chem | China national standards | MT | USD | 20251201 | |
| Xiangyang Youdeshi Chem | China national standards | MT | USD | 20251201 | |
| Liao Jinxinda | China national standards | MT | USD | 20251201 | |
| Shanxi Changlu Tech | China national standards | MT | USD | 20251201 | |
| UniTrend China | China national standards | MT | USD | 20251201 | |
| Pingxiang Lixin BioTech | China national standards | MT | USD | 20251130 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251130 | |
| Beijing WentongTech | China national standards | MT | USD | 20251130 | |
| WENTONG Potassium | China national standards | MT | USD | 20251130 |
