| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.69 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.4 | USD | 20251021 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |