| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 930.82 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.2 | USD | 20251120 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.03 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 888.93 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.48 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 931.26 | USD | 20251119 |