| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.62 | USD | 20251204 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.32 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.38 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.38 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.32 | USD | 20251202 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.52 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.52 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.45 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.45 | USD | 20251201 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 261.38 | USD | 20251127 |