| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.72 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.5 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.87 | USD | 20251010 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251007 |