| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.72 | USD | 20251025 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.21 | USD | 20251024 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.93 | USD | 20251024 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |