| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 961.14 | USD | 20251206 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1031.82 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 848.07 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 961.14 | USD | 20251205 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |