| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Shandong Chem | China national standards | MT | 973.65 | USD | 20251103 |
| Baozhen Shandong Chem | China national standards | MT | 973.65 | USD | 20251103 |
| Shandong Jinshenrun Chem | China national standards | MT | 1029.91 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 1029.91 | USD | 20251102 |
| WENTONG Potassium | China national standards | MT | 1029.91 | USD | 20251102 |
| Beijing WentongTech | China national standards | MT | 1086.34 | USD | 20251102 |
| Wuhan Hengjiu Chem | China national standards | MT | 987.58 | USD | 20251102 |
| Wuhan Hengjiu Chem | China national standards | MT | 1001.69 | USD | 20251102 |
| Shandong Jinshenrun Chem | China national standards | MT | 888.83 | USD | 20251102 |
| Shandong Zhongke Taihua | China national standards | MT | 1058.13 | USD | 20251101 |