| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.56 | USD | 20251122 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.98 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 888.89 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |