| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251018 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1028.91 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 958.18 | USD | 20251016 |