| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.45 | USD | 20251117 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.45 | USD | 20251117 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.37 | USD | 20251115 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.37 | USD | 20251114 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.37 | USD | 20251114 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251113 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.01 | USD | 20251113 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.3 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.3 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 635.0 | USD | 20251111 |