| Vendor | Spec | Unit | Price | Currency | Date |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250611 |
| Shandong Qiangsen Chem | 37% | MT | 141.89 | USD | 20250611 |
| Shandong Qiangsen Chem | 37% | MT | 141.89 | USD | 20250610 |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250610 |
| Shandong Qiangsen Chem | 37% | MT | 141.89 | USD | 20250609 |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250609 |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250608 |
| Shandong Qiangsen Chem | 37% | MT | 141.89 | USD | 20250607 |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250607 |
| Huainan Guoke Ruida | 37% | MT | 166.93 | USD | 20250606 |