| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.0 | USD | 20251111 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.09 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.09 | USD | 20251110 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.27 | USD | 20251107 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.27 | USD | 20251107 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251106 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251106 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.69 | USD | 20251105 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.69 | USD | 20251105 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 634.83 | USD | 20251104 |