| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.15 | USD | 20251119 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 959.69 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 917.35 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 1030.26 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 889.13 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 931.47 | USD | 20251118 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 931.47 | USD | 20251118 |