| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.83 | USD | 20251104 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.99 | USD | 20251103 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.99 | USD | 20251103 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.88 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.02 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.02 | USD | 20251030 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.21 | USD | 20251029 |