| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.73 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.77 | USD | 20251016 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.66 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.62 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.62 | USD | 20251013 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.46 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 274.46 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.5 | USD | 20251011 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 281.5 | USD | 20251011 |