| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.56 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.3 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.41 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.61 | USD | 20251205 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.54 | USD | 20251203 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.03 | USD | 20251202 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.48 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 904.1 | USD | 20251129 |