| Vendor | Spec | Unit | Price | Currency | Date |
| Huainan Guoke Ruida | 37% | MT | 166.51 | USD | 20250409 |
| Huainan Guoke Ruida | 37% | MT | 166.92 | USD | 20250403 |
| Huainan Guoke Ruida | 37% | MT | 167.15 | USD | 20250402 |
| Huainan Guoke Ruida | 37% | MT | 167.19 | USD | 20250401 |
| Huainan Guoke Ruida | 37% | MT | 167.17 | USD | 20250331 |
| Huainan Guoke Ruida | 37% | MT | 167.24 | USD | 20250330 |
| Huainan Guoke Ruida | 37% | MT | 167.24 | USD | 20250329 |
| Huainan Guoke Ruida | 37% | MT | 167.24 | USD | 20250328 |
| Huainan Guoke Ruida | 37% | MT | 167.22 | USD | 20250327 |
| Huainan Guoke Ruida | 37% | MT | 167.24 | USD | 20250326 |