| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.9 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.9 | USD | 20251205 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.99 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.99 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.64 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.84 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.84 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.73 | USD | 20251127 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.73 | USD | 20251127 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 409.33 | USD | 20251124 |