| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.9 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 999.32 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250928 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250928 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 997.86 | USD | 20250926 |