| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.95 | USD | 20251107 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1198.85 | USD | 20251105 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.13 | USD | 20251104 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.43 | USD | 20251103 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |