| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.34 | USD | 20251106 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.34 | USD | 20251106 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.22 | USD | 20251104 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.22 | USD | 20251104 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.33 | USD | 20251103 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.25 | USD | 20251031 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 423.35 | USD | 20251030 |