| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.09 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1028.84 | USD | 20251022 |
| 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 | 845.9 | USD | 20251021 |