| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.41 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.41 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.22 | USD | 20251111 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.22 | USD | 20251111 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251110 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.28 | USD | 20251110 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251108 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251108 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251107 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.4 | USD | 20251107 |