| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.05 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 843.86 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1026.69 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251007 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251006 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 928.86 | USD | 20251005 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251005 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251004 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.64 | USD | 20251003 |